diff options
| author | Ganesh Goudar <ganeshgr@chelsio.com> | 2017-05-16 18:47:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-17 19:02:27 +0300 |
| commit | 85eacf3f42e8ba6ecce8c6d7c6c63a2f26cddd7d (patch) | |
| tree | 4489da84cb5f47507d119047011e40b85a95a34d /drivers/net/ethernet/chelsio/cxgb4 | |
| parent | 9ad098037db5a327f60f763dc094fc3d053c07a9 (diff) | |
| download | linux-85eacf3f42e8ba6ecce8c6d7c6c63a2f26cddd7d.tar.xz | |
cxgb4: reduce resource allocation in kdump kernel
When is_kdump_kernel() is true, reduce memory footprint of
cxgb4 by using a single "Queue Set".
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 38a5c6764bb5..4249ffbc0427 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -891,7 +891,7 @@ static u16 cxgb_select_queue(struct net_device *dev, struct sk_buff *skb, * The skb's priority is determined via the VLAN Tag Priority Code * Point field. */ - if (cxgb4_dcb_enabled(dev)) { + if (cxgb4_dcb_enabled(dev) && !is_kdump_kernel()) { u16 vlan_tci; int err; @@ -4007,10 +4007,7 @@ static void cfg_queues(struct adapter *adap) /* Reduce memory usage in kdump environment, disable all offload. */ - if (is_kdump_kernel()) { - adap->params.offload = 0; - adap->params.crypto = 0; - } else if (is_uld(adap) && t4_uld_mem_alloc(adap)) { + if (is_kdump_kernel() || (is_uld(adap) && t4_uld_mem_alloc(adap))) { adap->params.offload = 0; adap->params.crypto = 0; } @@ -4031,7 +4028,7 @@ static void cfg_queues(struct adapter *adap) struct port_info *pi = adap2pinfo(adap, i); pi->first_qset = qidx; - pi->nqsets = 8; + pi->nqsets = is_kdump_kernel() ? 1 : 8; qidx += pi->nqsets; } #else /* !CONFIG_CHELSIO_T4_DCB */ @@ -4044,6 +4041,9 @@ static void cfg_queues(struct adapter *adap) if (q10g > netif_get_num_default_rss_queues()) q10g = netif_get_num_default_rss_queues(); + if (is_kdump_kernel()) + q10g = 1; + for_each_port(adap, i) { struct port_info *pi = adap2pinfo(adap, i); |