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authorRahul Lakkireddy <rahul.lakkireddy@chelsio.com>2019-11-07 16:59:07 +0100
committerDavid S. Miller <davem@davemloft.net>2019-11-07 19:41:59 +0100
commit2d0cb84dd9731d5d0e1326f0e10be893cb2fe698 (patch)
treeb00989f1360694e69f3cde9c750ba7c9e6a1f33e /drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
parentcxgb4: parse and configure TC-MQPRIO offload (diff)
downloadlinux-2d0cb84dd9731d5d0e1326f0e10be893cb2fe698.tar.xz
linux-2d0cb84dd9731d5d0e1326f0e10be893cb2fe698.zip
cxgb4: add ETHOFLD hardware queue support
Add support for configuring and managing ETHOFLD hardware queues. Keep the queue count and MSI-X allocation scheme same as NIC queues. ETHOFLD hardware queues are dynamically allocated/destroyed as TC-MQPRIO Qdisc offload is enabled/disabled on the corresponding interface, respectively. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index c2e92786608b..c9d3dea4413e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -2930,6 +2930,10 @@ void cudbg_fill_qdesc_num_and_size(const struct adapter *padap,
tot_size += CXGB4_ULD_MAX * MAX_ULD_QSETS * SGE_MAX_IQ_SIZE *
MAX_RXQ_DESC_SIZE;
+ /* ETHOFLD TXQ, RXQ, and FLQ */
+ tot_entries += MAX_OFLD_QSETS * 3;
+ tot_size += MAX_OFLD_QSETS * MAX_TXQ_ENTRIES * MAX_TXQ_DESC_SIZE;
+
tot_size += sizeof(struct cudbg_ver_hdr) +
sizeof(struct cudbg_qdesc_info) +
sizeof(struct cudbg_qdesc_entry) * tot_entries;
@@ -3087,6 +3091,23 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init,
}
}
+ /* ETHOFLD TXQ */
+ if (s->eohw_txq)
+ for (i = 0; i < s->eoqsets; i++)
+ QDESC_GET_TXQ(&s->eohw_txq[i].q,
+ CUDBG_QTYPE_ETHOFLD_TXQ, out);
+
+ /* ETHOFLD RXQ and FLQ */
+ if (s->eohw_rxq) {
+ for (i = 0; i < s->eoqsets; i++)
+ QDESC_GET_RXQ(&s->eohw_rxq[i].rspq,
+ CUDBG_QTYPE_ETHOFLD_RXQ, out);
+
+ for (i = 0; i < s->eoqsets; i++)
+ QDESC_GET_FLQ(&s->eohw_rxq[i].fl,
+ CUDBG_QTYPE_ETHOFLD_FLQ, out);
+ }
+
out_unlock:
mutex_unlock(&uld_mutex);