diff options
| author | Michal Kalderon <Michal.Kalderon@cavium.com> | 2017-10-09 12:37:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-09 10:21:27 -0700 |
| commit | c7d1d839999476aac0d7e16732722285a9c30cce (patch) | |
| tree | 2b2312e0eb70ff13ff86ad11e0ae0710bdae55d4 /drivers/net/ethernet/qlogic/qed/qed_iwarp.h | |
| parent | d531038eeb6dd25dbf88402f932bf0ea524de82e (diff) | |
qed: Add support for MPA header being split over two tcp packets
There is a special case where an MPA header is split over to tcp
packets, in this case we need to wait for the next packet to
get the fpdu length. We use the incomplete_bytes to mark this
fpdu as a "special" one which requires updating the length with
the next packet
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_iwarp.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_iwarp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h index 58db51af26bd..c58793a47774 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h @@ -69,6 +69,12 @@ struct qed_iwarp_ll2_mpa_buf { u8 placement_offset; }; +/* In some cases a fpdu will arrive with only one byte of the header, in this + * case the fpdu_length will be partial (contain only higher byte and + * incomplete bytes will contain the invalid value + */ +#define QED_IWARP_INVALID_INCOMPLETE_BYTES 0xffff + struct qed_iwarp_fpdu { struct qed_iwarp_ll2_buff *mpa_buf; void *mpa_frag_virt; |