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cxgbe(4): save a copy of the RSS map for each port for the driver's use.

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This commit is contained in:
Navdeep Parhar 2013-12-08 17:47:37 +00:00
parent 820677f94a
commit 273ef9912d
3 changed files with 16 additions and 10 deletions
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1
sys/dev/cxgbe/adapter.h
View File

@ -200,6 +200,7 @@ struct port_info {
unsigned long flags;
int if_flags;
uint16_t *rss;
uint16_t viid;
int16_t xact_addr_filt;/* index of exact MAC address filter */
uint16_t rss_size; /* size of VI's RSS table slice */

23
sys/dev/cxgbe/t4_main.c
View File

@ -3157,7 +3157,7 @@ port_full_init(struct port_info *pi)
struct ifnet *ifp = pi->ifp;
uint16_t *rss;
struct sge_rxq *rxq;
int rc, i;
int rc, i, j;
ASSERT_SYNCHRONIZED_OP(sc);
KASSERT((pi->flags & PORT_INIT_DONE) == 0,
@ -3174,21 +3174,25 @@ port_full_init(struct port_info *pi)
goto done; /* error message displayed already */
/*
* Setup RSS for this port.
* Setup RSS for this port. Save a copy of the RSS table for later use.
*/
rss = malloc(pi->nrxq * sizeof (*rss), M_CXGBE,
M_ZERO | M_WAITOK);
for_each_rxq(pi, i, rxq) {
rss[i] = rxq->iq.abs_id;
rss = malloc(pi->rss_size * sizeof (*rss), M_CXGBE, M_ZERO | M_WAITOK);
for (i = 0; i < pi->rss_size;) {
for_each_rxq(pi, j, rxq) {
rss[i++] = rxq->iq.abs_id;
if (i == pi->rss_size)
break;
}
}
rc = -t4_config_rss_range(sc, sc->mbox, pi->viid, 0,
pi->rss_size, rss, pi->nrxq);
free(rss, M_CXGBE);
rc = -t4_config_rss_range(sc, sc->mbox, pi->viid, 0, pi->rss_size, rss,
pi->rss_size);
if (rc != 0) {
if_printf(ifp, "rss_config failed: %d\n", rc);
goto done;
}
pi->rss = rss;
pi->flags |= PORT_INIT_DONE;
done:
if (rc != 0)
@ -3237,6 +3241,7 @@ port_full_uninit(struct port_info *pi)
quiesce_fl(sc, &ofld_rxq->fl);
}
#endif
free(pi->rss, M_CXGBE);
}
t4_teardown_port_queues(pi);

2
sys/dev/cxgbe/t4_sge.c
View File

@ -1678,7 +1678,7 @@ t4_eth_rx(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m0)
m0->m_pkthdr.rcvif = ifp;
m0->m_flags |= M_FLOWID;
m0->m_pkthdr.flowid = rss->hash_val;
m0->m_pkthdr.flowid = be32toh(rss->hash_val);
if (cpl->csum_calc && !cpl->err_vec) {
if (ifp->if_capenable & IFCAP_RXCSUM &&