lynxis lazus has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmocore/+/24589 )
Change subject: gprs_ns2_sns: replace ns2_sns_type with address family
......................................................................
gprs_ns2_sns: replace ns2_sns_type with address family
Reduces the code as the conversion between address family (bind)
and ns2_sns_type is not needed anymore.
Related: OS#5036
Change-Id: I1bcdd43af34c926d4b88491d00669422c299bef7
---
M src/gb/gprs_ns2_sns.c
1 file changed, 23 insertions(+), 28 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/89/24589/1
diff --git a/src/gb/gprs_ns2_sns.c b/src/gb/gprs_ns2_sns.c
index 0badcee..ec4bd87 100644
--- a/src/gb/gprs_ns2_sns.c
+++ b/src/gb/gprs_ns2_sns.c
@@ -56,11 +56,6 @@
#define S(x) (1 << (x))
-enum ns2_sns_type {
- IPv4,
- IPv6,
-};
-
enum ns2_sns_role {
GPRS_SNS_ROLE_BSS,
GPRS_SNS_ROLE_SGSN,
@@ -132,7 +127,7 @@
struct ns2_sns_state {
struct gprs_ns2_nse *nse;
- enum ns2_sns_type ip;
+ int family;
enum ns2_sns_role role; /* local role: BSS or SGSN */
/* holds the list of initial SNS endpoints */
@@ -665,14 +660,14 @@
/* Upon receiving an SNS-ADD PDU, if the consequent number of IPv4
endpoints
* exceeds the number of IPv4 endpoints supported by the NSE, the NSE
shall send
* an SNS-ACK PDU with a cause code set to "Invalid number of IP4
Endpoints". */
- switch (gss->ip) {
- case IPv4:
+ switch (gss->family) {
+ case AF_INET:
if (gss->remote.num_ip4 >= gss->num_max_ip4_remote)
return -NS_CAUSE_INVAL_NR_NS_VC;
/* TODO: log message duplicate */
rc = add_ip4_elem(gss, &gss->remote, ip4);
break;
- case IPv6:
+ case AF_INET6:
if (gss->remote.num_ip6 >= gss->num_max_ip6_remote)
return -NS_CAUSE_INVAL_NR_NS_VC;
/* TODO: log message duplicate */
@@ -689,8 +684,8 @@
/* Upon receiving an SNS-ADD PDU containing an already configured IP
endpoint the
* NSE shall send an SNS-ACK PDU with the cause code "Protocol error -
* unspecified" */
- switch (gss->ip) {
- case IPv4:
+ switch (gss->family) {
+ case AF_INET:
nsvc = nsvc_by_ip4_elem(nse, ip4);
if (nsvc) {
/* the nsvc should be already in sync with the ip4 /
ip6 elements */
@@ -700,7 +695,7 @@
/* TODO: failure case */
ns2_nsvc_create_ip4(fi, nse, ip4);
break;
- case IPv6:
+ case AF_INET6:
nsvc = nsvc_by_ip6_elem(nse, ip6);
if (nsvc) {
/* the nsvc should be already in sync with the ip4 /
ip6 elements */
@@ -751,7 +746,7 @@
}
}
-static int ns2_sns_count_num_local_ep(struct osmo_fsm_inst *fi, enum
ns2_sns_type stype)
+static int ns2_sns_count_num_local_ep(struct osmo_fsm_inst *fi, int ip_proto)
{
struct ns2_sns_state *gss = (struct ns2_sns_state *) fi->priv;
struct ns2_sns_bind *sbind;
@@ -762,12 +757,12 @@
if (!sa)
continue;
- switch (stype) {
- case IPv4:
+ switch (ip_proto) {
+ case AF_INET:
if (sa->u.sas.ss_family == AF_INET)
count++;
break;
- case IPv6:
+ case AF_INET6:
if (sa->u.sas.ss_family == AF_INET6)
count++;
break;
@@ -805,8 +800,8 @@
return;
}
- switch (gss->ip) {
- case IPv4:
+ switch (gss->family) {
+ case AF_INET:
ip4_elems = talloc_realloc(fi, gss->local.ip4, struct
gprs_ns_ie_ip4_elem, count);
if (!ip4_elems)
return;
@@ -840,7 +835,7 @@
gss->local.num_ip4 = count;
gss->num_max_nsvcs = OSMO_MAX(gss->num_max_ip4_remote *
gss->local.num_ip4, 8);
break;
- case IPv6:
+ case AF_INET6:
/* IPv6 */
ip6_elems = talloc_realloc(fi, gss->local.ip6, struct
gprs_ns_ie_ip6_elem, count);
if (!ip6_elems)
@@ -959,13 +954,13 @@
gss->N = 0;
/* Transmit SNS-CONFIG */
- switch (gss->ip) {
- case IPv4:
+ switch (gss->family) {
+ case AF_INET:
ns2_tx_sns_config(gss->sns_nsvc, true,
gss->local.ip4, gss->local.num_ip4,
NULL, 0);
break;
- case IPv6:
+ case AF_INET6:
ns2_tx_sns_config(gss->sns_nsvc, true,
NULL, 0,
gss->local.ip6, gss->local.num_ip6);
@@ -1108,7 +1103,7 @@
*/
trans_id = *TLVP_VAL(tp, NS_IE_TRANS_ID);
- if (gss->ip == IPv4) {
+ if (gss->family == AF_INET) {
if (!TLVP_PRESENT(tp, NS_IE_IPv4_LIST)) {
cause = NS_CAUSE_INVAL_NR_IPv4_EP;
ns2_tx_sns_ack(gss->sns_nsvc, trans_id, &cause, NULL,
0, NULL, 0);
@@ -1172,7 +1167,7 @@
* TODO: check if IPv4_LIST/IPv6_LIST and IP_ADDR is present at the
same time
*/
trans_id = *TLVP_VAL(tp, NS_IE_TRANS_ID);
- if (gss->ip == IPv4) {
+ if (gss->family == AF_INET) {
if (TLVP_PRESENT(tp, NS_IE_IPv4_LIST)) {
v4_list = (const struct gprs_ns_ie_ip4_elem *)
TLVP_VAL(tp, NS_IE_IPv4_LIST);
num_v4 = TLVP_LEN(tp, NS_IE_IPv4_LIST) /
sizeof(*v4_list);
@@ -2246,13 +2241,13 @@
if (TLVP_PRES_LEN(tp, NS_IE_IPv6_EP_NR, 2))
gss->num_max_ip6_remote = tlvp_val16be(tp,
NS_IE_IPv6_EP_NR);
/* decide if we go for IPv4 or IPv6 */
- if (gss->num_max_ip6_remote && ns2_sns_count_num_local_ep(fi,
IPv6)) {
- gss->ip = IPv6;
+ if (gss->num_max_ip6_remote && ns2_sns_count_num_local_ep(fi,
AF_INET6)) {
+ gss->family = AF_INET6;
ns2_sns_compute_local_ep_from_binds(fi);
num_local_eps = gss->local.num_ip6;
num_remote_eps = gss->num_max_ip6_remote;
- } else if (gss->num_max_ip4_remote &&
ns2_sns_count_num_local_ep(fi, IPv4)) {
- gss->ip = IPv4;
+ } else if (gss->num_max_ip4_remote &&
ns2_sns_count_num_local_ep(fi, AF_INET)) {
+ gss->family = AF_INET;
ns2_sns_compute_local_ep_from_binds(fi);
num_local_eps = gss->local.num_ip4;
num_remote_eps = gss->num_max_ip4_remote;
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I1bcdd43af34c926d4b88491d00669422c299bef7
Gerrit-Change-Number: 24589
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lyn...@fe80.eu>
Gerrit-MessageType: newchange
