When TSO MSS is smaller than 80, and the sum length of continuous
sge num is larger than a MSS, which may cause hardware failed,
so in this scenarios pmd driver should adjust the tso_segsz with
the same with the value of hardware supported.
Fixes:
076221c8fe1d ("net/hinic: add Rx/Tx")
Cc: stable@dpdk.org
Signed-off-by: Xiaoyun Wang <cloud.wangxiaoyun@huawei.com>
*poff_info,
struct hinic_wqe_info *sqe_info)
{
*poff_info,
struct hinic_wqe_info *sqe_info)
{
- u32 total_len, limit_len, checked_len, left_len;
+ u32 total_len, limit_len, checked_len, left_len, adjust_mss;
u32 i, first_mss_sges, left_sges;
struct rte_mbuf *mbuf_head, *mbuf_pre;
u32 i, first_mss_sges, left_sges;
struct rte_mbuf *mbuf_head, *mbuf_pre;
/* tso sge number validation */
if (unlikely(left_sges >= HINIC_NONTSO_PKT_MAX_SGE)) {
checked_len = 0;
/* tso sge number validation */
if (unlikely(left_sges >= HINIC_NONTSO_PKT_MAX_SGE)) {
checked_len = 0;
- limit_len = mbuf->tso_segsz + poff_info->payload_offset;
+ adjust_mss = mbuf->tso_segsz >= TX_MSS_MIN ?
+ mbuf->tso_segsz : TX_MSS_MIN;
+ limit_len = adjust_mss + poff_info->payload_offset;
first_mss_sges = HINIC_NONTSO_PKT_MAX_SGE;
/* each continues 17 mbufs segmust do one check */
first_mss_sges = HINIC_NONTSO_PKT_MAX_SGE;
/* each continues 17 mbufs segmust do one check */
mbuf_pre = mbuf;
mbuf = mbuf->next;
if (total_len >= limit_len) {
mbuf_pre = mbuf;
mbuf = mbuf->next;
if (total_len >= limit_len) {
- limit_len = mbuf_head->tso_segsz;
+ limit_len = adjust_mss;