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cxgbe(4): provide the exact RSS hash type instead of a catch-all value

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to the upper layers.
This commit is contained in:
np 2015-03-26 18:45:51 +00:00
parent 68e0df6c99
commit cd9d558324
1 changed files with 7 additions and 1 deletions
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8
sys/dev/cxgbe/t4_sge.c
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@ -1736,6 +1736,12 @@ t4_eth_rx(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m0)
#if defined(INET) || defined(INET6)
struct lro_ctrl *lro = &rxq->lro;
#endif
static const int sw_hashtype[4][2] = {
{M_HASHTYPE_NONE, M_HASHTYPE_NONE},
{M_HASHTYPE_RSS_IPV4, M_HASHTYPE_RSS_IPV6},
{M_HASHTYPE_RSS_TCP_IPV4, M_HASHTYPE_RSS_TCP_IPV6},
{M_HASHTYPE_RSS_UDP_IPV4, M_HASHTYPE_RSS_UDP_IPV6},
};
KASSERT(m0 != NULL, ("%s: no payload with opcode %02x", __func__,
rss->opcode));
@ -1745,7 +1751,7 @@ t4_eth_rx(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m0)
m0->m_data += fl_pktshift;
m0->m_pkthdr.rcvif = ifp;
M_HASHTYPE_SET(m0, M_HASHTYPE_OPAQUE);
M_HASHTYPE_SET(m0, sw_hashtype[rss->hash_type][rss->ipv6]);
m0->m_pkthdr.flowid = be32toh(rss->hash_val);
if (cpl->csum_calc && !cpl->err_vec) {