Ping

On 03/03/16 03:05, Zoltan Kiss wrote:
The L2 offset functions should consider the L2 flag: return negative
answer if there isn't any, and implicitly set it when offset is set.
E.g. user created packets don't have L2 headers immediately.

Signed-off-by: Zoltan Kiss <zoltan.k...@linaro.org>
---
  platform/linux-generic/include/odp_packet_internal.h | 5 +++++
  platform/linux-generic/odp_packet.c                  | 5 +++++
  2 files changed, 10 insertions(+)

diff --git a/platform/linux-generic/include/odp_packet_internal.h 
b/platform/linux-generic/include/odp_packet_internal.h
index d9fe544..1dc875e 100644
--- a/platform/linux-generic/include/odp_packet_internal.h
+++ b/platform/linux-generic/include/odp_packet_internal.h
@@ -263,6 +263,11 @@ static inline int odp_packet_hdr_has_l2(odp_packet_hdr_t 
*pkt_hdr)
        return pkt_hdr->input_flags.l2;
  }
+static inline void odp_packet_hdr_has_l2_set(odp_packet_hdr_t *pkt_hdr, int val)
+{
+       pkt_hdr->input_flags.l2 = val;
+}
+
  static inline int odp_packet_hdr_has_eth(odp_packet_hdr_t *pkt_hdr)
  {
        return pkt_hdr->input_flags.eth;
diff --git a/platform/linux-generic/odp_packet.c 
b/platform/linux-generic/odp_packet.c
index db85b5e..94d7f85 100644
--- a/platform/linux-generic/odp_packet.c
+++ b/platform/linux-generic/odp_packet.c
@@ -353,12 +353,16 @@ uint32_t odp_packet_user_area_size(odp_packet_t pkt)
  void *odp_packet_l2_ptr(odp_packet_t pkt, uint32_t *len)
  {
        odp_packet_hdr_t *pkt_hdr = odp_packet_hdr(pkt);
+       if (!odp_packet_hdr_has_l2(pkt_hdr))
+               return NULL;
        return packet_map(pkt_hdr, pkt_hdr->l2_offset, len);
  }
uint32_t odp_packet_l2_offset(odp_packet_t pkt)
  {
        odp_packet_hdr_t *pkt_hdr = odp_packet_hdr(pkt);
+       if (!odp_packet_hdr_has_l2(pkt_hdr))
+               return ODP_PACKET_OFFSET_INVALID;
        return pkt_hdr->l2_offset;
  }
@@ -369,6 +373,7 @@ int odp_packet_l2_offset_set(odp_packet_t pkt, uint32_t offset)
        if (offset >= pkt_hdr->frame_len)
                return -1;
+ odp_packet_hdr_has_l2_set(pkt_hdr, 1);
        pkt_hdr->l2_offset = offset;
        return 0;
  }

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