on rt6i_gateway and
RTF_ANYCAST.
Signed-off-by: Martin KaFai Lau
Reviewed-by: Hannes Frederic Sowa
Cc: Steffen Klassert
---
include/net/ip6_route.h| 14 +-
net/bluetooth/6lowpan.c| 2 +-
net/ipv6/icmp.c| 4 ++--
net/ipv6
After the patch
'ipv6: Only create RTF_CACHE routes after encountering pmtu exception',
we need to compensate the performance hit (bouncing dst->__refcnt).
Signed-off-by: Martin KaFai Lau
Reviewed-by: Hannes Frederic Sowa
Cc: Steffen Klassert
---
include/net/ip6_fib.h
This patch breaks up ip6_rt_copy() into ip6_rt_copy_init() and
ip6_rt_cache_alloc().
In the later patch, we need to create a percpu rt6_info copy. Hence,
refactor the common rt6_info init codes to ip6_rt_copy_init().
Signed-off-by: Martin KaFai Lau
Reviewed-by: Hannes Frederic Sowa
Cc: Steffen
) later.
Signed-off-by: Martin KaFai Lau
Reviewed-by: Hannes Frederic Sowa
Cc: Steffen Klassert
---
drivers/scsi/cxgbi/libcxgbi.c | 2 +-
include/net/ipv6.h | 3 ++-
net/ipv6/icmp.c | 2 +-
net/ipv6/ip6_output.c | 22 +++---
net/ipv6
This patch creates a RTF_CACHE routes only after encountering a pmtu
exception.
After ip6_rt_update_pmtu() has inserted the RTF_CACHE route to the fib6
tree, the rt->rt6i_node->fn_sernum is bumped which will fail the
ip6_dst_check() and trigger a relookup.
Signed-off-by: Martin KaF
Hi,
On Wed, Apr 29, 2015 at 11:28:46AM +0300, Julian Anastasov wrote:
>
> Hello,
>
> On Tue, 28 Apr 2015, Martin KaFai Lau wrote:
>
> > -static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt)
> > +static inline struct in6_addr *rt6_
This patch breaks up ip6_rt_copy() into ip6_rt_copy_init() and
ip6_rt_cache_alloc().
In the later patch, we need to create a percpu rt6_info copy. Hence,
refactor the common rt6_info init codes to ip6_rt_copy_init().
Signed-off-by: Martin KaFai Lau
Cc: Hannes Frederic Sowa
Cc: Steffen Klassert
On Tue, Mar 27, 2018 at 04:27:30PM +0300, Alexey Kodanev wrote:
> On 26.03.2018 20:02, Martin KaFai Lau wrote:
> > On Mon, Mar 26, 2018 at 05:48:47PM +0300, Alexey Kodanev wrote:
> >> After commit 33c162a980fe ("ipv6: datagram: Update dst cache of a
> >> connecte
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau
Acked-by
This patch adds pretty print capability for data with BTF type info.
The current usage is to allow pretty print of a BPF map.
The next few patches will allow a read() on a pinned map with BTF
type info for its key and value.
This patch uses the seq_printf() infra.
Signed-off-by: Martin KaFai
, the userspace should realloc with the kernel-returned
info.info_len and call the BPF_OBJ_GET_INFO_BY_FD again.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 5 +
kernel/bpf/btf.c | 17 -
kernel/bpf/syscall.c | 2 ++
3 files change
sample output when reading a pinned arraymap
with the following map's value:
struct map_value {
int count_a;
int count_b;
};
cat /sys/fs/bpf/pinned_array_map:
0: {1,2}
1: {3,4}
2: {5,6}
...
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/
array). This info will be useful in checking the
struct's members in a later patch. They will also be useful in doing
pretty print later.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 37 +++
kernel/bpf/btf.c
he above can only be done after the needs_resolve member's type
is resolved. Hence, the above is done together in
btf_struct_resolve().
Each possible member's type (e.g. int, enum, modifier...) implements
the check_member() ops which will be called from btf_struct_resolve().
Sign
This patch sync up the bpf.h and btf.h to tools/
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/include/uapi/linux/bpf.h | 13
tools/include/uapi/linux/btf.h | 132 +
2 files changed, 145 insertions(+)
create mode 100644
capability for a BPF map.
A modified pahole that can convert dwarf to BTF is here:
https://github.com/iamkafai/pahole/tree/btf
Please see individual patch for details.
Martin KaFai Lau (10):
bpf: btf: Introduce BPF Type Format (BTF)
bpf: btf: Validate type reference
bpf: btf: Check members of
key_id and btf_value_id of a map by
finding the BTF type with name "_key" and "_name".
If they cannot be found, it will continue without using the BTF.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/lib/bpf/Build| 2 +-
tools/lib/bpf/bpf.c|
of the llvm repo for now.
BTF_PAHOLE: The modified pahole with BTF support:
https://github.com/iamkafai/pahole/tree/btf
To add a BTF section: "pahole -J bpf_prog.o"
LLVM_OBJCOPY: Any llvm-objcopy should do
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei S
can only be done in the second pass. The second
verification pass will be implemented in the next patch.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/uapi/linux/btf.h | 132 +++
kernel/bpf/Makefile | 1 +
kernel/bpf/btf.c | 915
On Fri, Mar 30, 2018 at 08:53:06PM +0300, Alexey Kodanev wrote:
> A new RTF_CACHE route can be created with the socket's dst cache
> update between the below calls in udpv6_sendmsg(), when datagram
> sending results to ICMPV6_PKT_TOOBIG error:
>
>dst = ip6_sk_dst_lookup_flow(...)
>...
> re
On Sat, Mar 31, 2018 at 01:22:53AM +0200, Daniel Borkmann wrote:
> On 03/30/2018 08:26 PM, Martin KaFai Lau wrote:
> [...]
> > +static int btf_add_type(struct btf_verifier_env *env, struct btf_type *t)
> > +{
> > + struct btf *btf = env->btf;
> > +
> > +
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau
Acked-by
, the userspace should realloc with the kernel-returned
info.info_len and call the BPF_OBJ_GET_INFO_BY_FD again.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 5 +
kernel/bpf/btf.c | 17 -
kernel/bpf/syscall.c | 2 ++
3 files change
This patch adds pretty print capability for data with BTF type info.
The current usage is to allow pretty print of a BPF map.
The next few patches will allow a read() on a pinned map with BTF
type info for its key and value.
This patch uses the seq_printf() infra.
Signed-off-by: Martin KaFai
of the llvm repo for now.
BTF_PAHOLE: The modified pahole with BTF support:
https://github.com/iamkafai/pahole/tree/btf
To add a BTF section: "pahole -J bpf_prog.o"
LLVM_OBJCOPY: Any llvm-objcopy should do
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei S
incorrect goto target in map_create() during
the btf-error-path in patch 7
- re-org some local vars to keep the rev xmas tree in btf.c
Martin KaFai Lau (10):
bpf: btf: Introduce BPF Type Format (BTF)
bpf: btf: Validate type reference
bpf: btf: Check members of struct/union
bpf: btf: Add
array). This info will be useful in checking the
struct's members in a later patch. They will also be useful in doing
pretty print later.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 37 +++
kernel/bpf/btf.c
can only be done in the second pass. The second
verification pass will be implemented in the next patch.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/uapi/linux/btf.h | 132 +++
kernel/bpf/Makefile | 1 +
kernel/bpf/btf.c | 924
key_id and btf_value_id of a map by
finding the BTF type with name "_key" and "_name".
If they cannot be found, it will continue without using the BTF.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/lib/bpf/Build| 2 +-
tools/lib/bpf/bpf.c|
sample output when reading a pinned arraymap
with the following map's value:
struct map_value {
int count_a;
int count_b;
};
cat /sys/fs/bpf/pinned_array_map:
0: {1,2}
1: {3,4}
2: {5,6}
...
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/
he above can only be done after the needs_resolve member's type
is resolved. Hence, the above is done together in
btf_struct_resolve().
Each possible member's type (e.g. int, enum, modifier...) implements
the check_member() ops which will be called from btf_struct_resolve().
Sign
This patch sync up the bpf.h and btf.h to tools/
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/include/uapi/linux/bpf.h | 13
tools/include/uapi/linux/btf.h | 132 +
2 files changed, 145 insertions(+)
create mode 100644
On Sat, Mar 31, 2018 at 05:12:36PM +0800, kbuild test robot wrote:
> Hi Martin,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on bpf-next/master]
>
> url:
> https://github.com/0day-ci/linux/commits/Martin-KaFai-Lau/BTF-
On Sat, Mar 31, 2018 at 04:43:28PM +0800, kbuild test robot wrote:
> Hi Martin,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on bpf-next/master]
>
> url:
> https://github.com/0day-ci/linux/commits/Martin-KaFai-Lau/BTF-
o be consistent with ip6_sk_dst_store_flow(), changes its type
> from int to bool.
>
> The last patch contains the actual fix that removes sk dst cache
> update in the end of udpv6_sendmsg(), and allows to do it in
> ip6_sk_dst_lookup_flow().
Thanks for the patches!
Acked-by: Marti
, the userspace should realloc with the kernel-returned
info.info_len and call the BPF_OBJ_GET_INFO_BY_FD again.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 5 +
kernel/bpf/btf.c | 17 -
kernel/bpf/syscall.c | 2 ++
3 files change
key_id and btf_value_id of a map by
finding the BTF type with name "_key" and "_value".
If they cannot be found, it will continue without using the BTF.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/lib/bpf/Build| 2 +-
tools/lib/bpf/bpf.c|
This patch sync up the bpf.h and btf.h to tools/
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/include/uapi/linux/bpf.h | 13
tools/include/uapi/linux/btf.h | 132 +
2 files changed, 145 insertions(+)
create mode 100644
sample output when reading a pinned arraymap
with the following map's value:
struct map_value {
int count_a;
int count_b;
};
cat /sys/fs/bpf/pinned_array_map:
0: {1,2}
1: {3,4}
2: {5,6}
...
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/
This patch adds pretty print capability for data with BTF type info.
The current usage is to allow pretty print for a BPF map.
The next few patches will allow a read() on a pinned map with BTF
type info for its key and value.
This patch uses the seq_printf() infra.
Signed-off-by: Martin KaFai
of the llvm repo for now.
BTF_PAHOLE: The modified pahole with BTF support:
https://github.com/iamkafai/pahole/tree/btf
To add a BTF section: "pahole -J bpf_prog.o"
LLVM_OBJCOPY: Any llvm-objcopy should do
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei S
can only be done in the second pass. The second
verification pass will be implemented in the next patch.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/uapi/linux/btf.h | 132 +++
kernel/bpf/Makefile | 1 +
kernel/bpf/btf.c | 940
eta()
in patch 1
- Fix an incorrect goto target in map_create() during
the btf-error-path in patch 7
- re-org some local vars to keep the rev xmas tree in btf.c
Martin KaFai Lau (10):
bpf: btf: Introduce BPF Type Format (BTF)
bpf: btf: Validate type reference
bpf: btf: Check members of str
array). This info will be useful in checking the
struct's members in a later patch. They will also be useful in doing
pretty print later.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 37 +++
kernel/bpf/btf.c
he above can only be done after the needs_resolve member's type
is resolved. Hence, the above is done together in
btf_struct_resolve().
Each possible member's type (e.g. int, enum, modifier...) implements
the check_member() ops which will be called from btf_struct_resolve().
Sign
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau
Acked-by
On Mon, Apr 16, 2018 at 05:22:00PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Apr 16, 2018 at 12:33:17PM -0700, Martin KaFai Lau escreveu:
> > This patch introduces BPF Type Format (BTF).
> >
> > BTF (BPF Type Format) is the meta data format which describes
> > th
This patch adds pretty print capability for data with BTF type info.
The current usage is to allow pretty print for a BPF map.
The next few patches will allow a read() on a pinned map with BTF
type info for its key and value.
This patch uses the seq_printf() infra.
Signed-off-by: Martin KaFai
This patch sync up the bpf.h and btf.h to tools/
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/include/uapi/linux/bpf.h | 13
tools/include/uapi/linux/btf.h | 132 +
2 files changed, 145 insertions(+)
create mode 100644
key_id and btf_value_id of a map by
finding the BTF type with name "_key" and "_value".
If they cannot be found, it will continue without using the BTF.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/lib/bpf/Build| 2 +-
tools/lib/bpf/bpf.c|
rev xmas tree in btf.c
Martin KaFai Lau (10):
bpf: btf: Introduce BPF Type Format (BTF)
bpf: btf: Validate type reference
bpf: btf: Check members of struct/union
bpf: btf: Add pretty print capability for data with BTF type info
bpf: btf: Add BPF_BTF_LOAD command
bpf: btf:
can only be done in the second pass. The second
verification pass will be implemented in the next patch.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/uapi/linux/btf.h | 132 +++
kernel/bpf/Makefile | 1 +
kernel/bpf/btf.c | 938
array). This info will be useful in checking the
struct's members in a later patch. They will also be useful in doing
pretty print later.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 37 +++
kernel/bpf/btf.c
he above can only be done after the needs_resolve member's type
is resolved. Hence, the above is done together in
btf_struct_resolve().
Each possible member's type (e.g. int, enum, modifier...) implements
the check_member() ops which will be called from btf_struct_resolve().
Sign
of the llvm repo for now.
BTF_PAHOLE: The modified pahole with BTF support:
https://github.com/iamkafai/pahole/tree/btf
To add a BTF section: "pahole -J bpf_prog.o"
LLVM_OBJCOPY: Any llvm-objcopy should do
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei S
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau
Acked-by
, the userspace should realloc with the kernel-returned
info.info_len and call the BPF_OBJ_GET_INFO_BY_FD again.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 5 +
kernel/bpf/btf.c | 17 -
kernel/bpf/syscall.c | 2 ++
3 files change
sample output when reading a pinned arraymap
with the following map's value:
struct map_value {
int count_a;
int count_b;
};
cat /sys/fs/bpf/pinned_array_map:
0: {1,2}
1: {3,4}
2: {5,6}
...
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/
On Wed, Apr 18, 2018 at 05:20:11PM +0200, Daniel Borkmann wrote:
> Hi Martin,
>
> first of all great work on the set! One issue that puzzled me
> while digesting it further below.
>
> On 04/17/2018 10:42 PM, Martin KaFai Lau wrote:
> > This patch adds pretty print suppo
On Wed, Apr 18, 2018 at 10:22:10AM -0700, Jakub Kicinski wrote:
> On Tue, 17 Apr 2018 13:42:36 -0700, Martin KaFai Lau wrote:
> > This patch checks a few things of struct's members:
> >
> > 1) It has a valid size (e.g. a "const void" is invalid)
> > 2) A
This patch sync up the bpf.h and btf.h to tools/
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/include/uapi/linux/bpf.h | 12
tools/include/uapi/linux/btf.h | 130 +
2 files changed, 142 insertions(+)
create mode 100644
the rev xmas tree in btf.c
Martin KaFai Lau (10):
bpf: btf: Introduce BPF Type Format (BTF)
bpf: btf: Validate type reference
bpf: btf: Check members of struct/union
bpf: btf: Add pretty print capability for data with BTF type info
bpf: btf: Add BPF_BTF_LOAD command
bpf: btf:
This patch adds pretty print capability for data with BTF type info.
The current usage is to allow pretty print for a BPF map.
The next few patches will allow a read() on a pinned map with BTF
type info for its key and value.
This patch uses the seq_printf() infra.
Signed-off-by: Martin KaFai
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau
Acked-by
key_id and btf_value_id of a map by
finding the BTF type with name "_key" and "_value".
If they cannot be found, it will continue without using the BTF.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
tools/lib/bpf/Build| 2 +-
tools/lib/bpf/bpf.c|
, the userspace should realloc with the kernel-returned
info.info_len and call the BPF_OBJ_GET_INFO_BY_FD again.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 5 +
kernel/bpf/btf.c | 17 -
kernel/bpf/syscall.c | 2 ++
3 files change
ount_b;
};
cat /sys/fs/bpf/pinned_array_map:
0: {1,2}
1: {3,4}
2: {5,6}
...
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/bpf.h | 20 +-
include/uapi/linux/bpf.h | 3 +
kernel/bpf/arraymap.c| 50 +++
kernel/bpf
of the llvm repo for now.
BTF_PAHOLE: The modified pahole with BTF support:
https://github.com/iamkafai/pahole/tree/btf
To add a BTF section: "pahole -J bpf_prog.o"
LLVM_OBJCOPY: Any llvm-objcopy should do
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei S
can only be done in the second pass. The second
verification pass will be implemented in the next patch.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/uapi/linux/btf.h | 130 +++
kernel/bpf/Makefile | 1 +
kernel/bpf/btf.c | 915
array). This info will be useful in checking the
struct's members in a later patch. They will also be useful in doing
pretty print later.
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/btf.h | 37 +++
kernel/bpf/btf.c
he above can only be done after the needs_resolve member's type
is resolved. Hence, the above is done together in
btf_struct_resolve().
Each possible member's type (e.g. int, enum, modifier...) implements
the check_member() ops which will be called from btf_struct_resolve().
Sign
0 on success, or a negative error in case of failure.
> + *
LGTM. Thanks!
Acked-by: Martin KaFai Lau
On Thu, Apr 19, 2018 at 04:40:34PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Apr 18, 2018 at 03:55:56PM -0700, Martin KaFai Lau escreveu:
> > This patch introduces BPF Type Format (BTF).
> >
> > BTF (BPF Type Format) is the meta data format which describes
> > th
l
local 2401:db00:1011:1f01:face:b00c:0:85 dev lo src
2401:db00:1011:10af:face:0:27:0 metric 1024 mtu 1460 advmss 1440 pref medium
Signed-off-by: Martin KaFai Lau
---
net/netfilter/ipvs/ip_vs_xmit.c | 49 +++--
1 file changed, 33 insertions(+), 16 deletions(
On Fri, Apr 20, 2018 at 10:05:16AM +0200, Björn Töpel wrote:
> From: Björn Töpel
>
> Commit 8a138aed4a80 ("bpf: btf: Add BTF support to libbpf") did not
> include stdbool.h, so GCC complained when building samples/bpf/.
>
> In file included from /home/btopel/src/ext/linux/samples/bpf/libbpf.h:6:
On Fri, Apr 20, 2018 at 11:43:59PM +0300, Julian Anastasov wrote:
>
> Hello,
>
> On Thu, 19 Apr 2018, Martin KaFai Lau wrote:
>
> > This patch is not a proper fix and mainly serves for discussion purpose.
> > It is based on net-next which I have been using to de
This patch cleans up btf.h in uapi:
1) Rename "name" to "name_off" to better reflect it is an offset to the
string section instead of a char array.
2) Remove unused value BTF_FLAGS_COMPR and BTF_MAGIC_SWAP
Suggested-by: Daniel Borkmann
Signed-off-by: Martin KaFai Lau
---
On Sun, Feb 25, 2018 at 11:47:28AM -0800, David Ahern wrote:
> Signed-off-by: David Ahern
> ---
> include/net/ip6_fib.h | 4 +-
> include/net/ip6_route.h | 3 +-
> net/ipv6/addrconf.c | 31 ++---
> net/ipv6/anycast.c | 7 +-
> net/ipv6/ip6_fib.c | 50 +--
>
On Mon, Feb 26, 2018 at 03:55:14PM -0700, David Ahern wrote:
> On 2/26/18 3:28 PM, Wei Wang wrote:
> >> @@ -213,11 +234,6 @@ static inline void rt6_set_expires(struct rt6_info
> >> *rt, unsigned long expires)
> >>
> >> static inline void rt6_update_expires(struct rt6_info *rt0, int timeout)
> >>
On Wed, Feb 28, 2018 at 03:25:02PM -0700, David Ahern wrote:
> On 2/28/18 12:21 PM, Martin KaFai Lau wrote:
> > On Mon, Feb 26, 2018 at 03:55:14PM -0700, David Ahern wrote:
> >> On 2/26/18 3:28 PM, Wei Wang wrote:
> >>>> @@ -213,11 +234,6 @@ static inline voi
This patch set has some changes and clean-up works for
the bpf_verifier_log. They are the prep works for the
BTF (BPF Type Format).
Martin KaFai Lau (2):
bpf: Rename bpf_verifer_log
bpf: Add bpf_verifier_vlog() and bpf_verifier_log_needed()
include/linux/bpf_verifier.h | 13
bpf_verifer_log =>
bpf_verifier_log
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/bpf_verifier.h | 6 +++---
kernel/bpf/verifier.c| 4 ++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/include/linux/bpf_verifier.h b/include/li
pf_verifier_log_needed(). Since it is re-factored,
we can check it before va_start() in the current
bpf_verifier_log_write() and verbose().
Signed-off-by: Martin KaFai Lau
Acked-by: Alexei Starovoitov
---
include/linux/bpf_verifier.h | 7 +++
kernel/bpf/verifier.c| 19
On Mon, Mar 26, 2018 at 05:48:47PM +0300, Alexey Kodanev wrote:
> After commit 33c162a980fe ("ipv6: datagram: Update dst cache of a
> connected datagram sk during pmtu update"), when the error occurs on
> sending datagram in udpv6_sendmsg() due to ICMPV6_PKT_TOOBIG type,
> error handler can trigger
On Wed, Jan 10, 2018 at 10:39:04AM -0800, John Fastabend wrote:
> sockmap sample program takes arguments from cmd line but it reads them
> in using offsets into the array. Because we want to add more arguments
> in the future lets do proper argument handling.
>
> Also refactor code to pull apart s
On Wed, Jan 10, 2018 at 10:39:21AM -0800, John Fastabend wrote:
> When testing BPF programs using sockmap I often want to have more
> control over how sendmsg is exercised. This becomes even more useful
> as new sockmap program types are added.
>
> This adds a test type option to select type of te
On Wed, Jan 10, 2018 at 10:39:37AM -0800, John Fastabend wrote:
> Currently for SENDMSG tests first send completes then recv runs. This
> does not work well for large data sizes and/or many iterations. So
> fork the recv and send handler so that we run both send and recv. In
> the future we can add
On Wed, Jan 10, 2018 at 10:40:11AM -0800, John Fastabend wrote:
> Add a base test that does not use BPF hooks to test baseline case.
>
> Signed-off-by: John Fastabend
> ---
> samples/sockmap/sockmap_user.c | 26 +-
> 1 file changed, 21 insertions(+), 5 deletions(-)
>
>
e to pull apart sock init and ping/pong test. This
> allows us to add new tests in the future.
>
> Signed-off-by: John Fastabend
One nit below.
Acked-by: Martin KaFai Lau
> ---
[ ... ]
> @@ -280,12 +333,21 @@ int main(int argc, char **argv)
> retu
On Thu, Jan 11, 2018 at 09:06:34PM -0800, John Fastabend wrote:
> When testing BPF programs using sockmap I often want to have more
> control over how sendmsg is exercised. This becomes even more useful
> as new sockmap program types are added.
>
> This adds a test type option to select type of te
uture we can add a parameter to do more than a single fork of
> tx/rx.
>
> With this we can get many GBps of data which helps exercise the
> sockmap code.
>
> Signed-off-by: John Fastabend
Some nits.
Acked-by: Martin KaFai Lau
> ---
[ ... ]
> @@ -274,25 +275,50 @@ stati
with
> a single thread the client/accepted sockets do not need to be
> non-blocking.
>
> Signed-off-by: John Fastabend
Acked-by: Martin KaFai Lau
On Thu, Jan 11, 2018 at 09:07:10PM -0800, John Fastabend wrote:
> Report bytes/sec sent as well as total bytes. Useful to get rough
> idea how different configurations and usage patterns perform with
> sockmap.
>
> Signed-off-by: John Fastabend
Acked-by: Martin KaFai Lau
uture we can add a parameter to do more than a single fork of
> tx/rx.
>
> With this we can get many GBps of data which helps exercise the
> sockmap code.
>
> Signed-off-by: John Fastabend
One nit.
Acked-by: Martin KaFai Lau
> ---
[ ... ]
> @@ -274,25 +275,50 @@ static int
On Thu, Jan 11, 2018 at 09:07:29PM -0800, John Fastabend wrote:
> Add a base test that does not use BPF hooks to test baseline case.
>
> Signed-off-by: John Fastabend
Acked-by: Martin KaFai Lau
On Thu, Jan 11, 2018 at 09:08:02PM -0800, John Fastabend wrote:
> Avoid extra step of setting limit from cmdline and do it directly in
> the program.
>
> Signed-off-by: John Fastabend
Acked-by: Martin KaFai Lau
On Fri, Jan 12, 2018 at 10:11:11AM -0800, John Fastabend wrote:
> This implements a BPF ULP layer to allow policy enforcement and
> monitoring at the socket layer. In order to support this a new
> program type BPF_PROG_TYPE_SK_MSG is used to run the policy at
> the sendmsg/sendpage hook. To attach
On Thu, Jan 18, 2018 at 10:40:03AM -0800, Wei Wang wrote:
> From: Wei Wang
>
> After commit 4512c43eac7e, if we add a route to the subtree of tb6_root
> which does not have any route attached to it yet, the current code will
> let tb6_root and the node in the subtree share the same route.
> This
On Thu, Jan 18, 2018 at 03:31:29PM -0800, Wei Wang wrote:
> On Thu, Jan 18, 2018 at 2:47 PM, Martin KaFai Lau wrote:
> > On Thu, Jan 18, 2018 at 10:40:03AM -0800, Wei Wang wrote:
> >> From: Wei Wang
> >>
> >> After commit 4512c43eac7e, if we add a route to the
On Fri, Jan 05, 2018 at 05:38:35PM -0800, Wei Wang wrote:
> From: Wei Wang
>
> In the current code, when creating a new fib6 table, tb6_root.leaf gets
> initialized to net->ipv6.ip6_null_entry.
> If a default route is being added with rt->rt6i_metric = 0x,
> fib6_add() will add this route
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