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| author | Scott Feldman <scofeldm@cisco.com> | 2009-09-03 17:02:24 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-03 20:19:19 -0700 |
| commit | 6ba9cdc09678d6925c205ef0b0bd374e31589ecf (patch) | |
| tree | cff6128e997b6945d77ad47dab3a23bc8de8a56a /drivers/net/enic/enic_res.c | |
| parent | 350991e12ac1ac407850169a0d65f522a7fd029e (diff) | |
| download | blackbird-op-linux-6ba9cdc09678d6925c205ef0b0bd374e31589ecf.tar.gz blackbird-op-linux-6ba9cdc09678d6925c205ef0b0bd374e31589ecf.zip | |
enic: provision for multiple Rx/Tx queues; prepare for RSS support
Provision for multiple Rx/Tx queues. Max of 8 WQs and 8 RQs. Max for
completion queue is 8+8=16 and max for interrupt resources is 8+8+2.
Add driver/firmware interface for setting up RSS secret key and indirection
table.
Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/enic/enic_res.c')
| -rw-r--r-- | drivers/net/enic/enic_res.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c index e5fc9384f8f5..32111144efc9 100644 --- a/drivers/net/enic/enic_res.c +++ b/drivers/net/enic/enic_res.c @@ -156,6 +156,22 @@ int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait); } +int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len) +{ + u64 a0 = (u64)key_pa, a1 = len; + int wait = 1000; + + return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait); +} + +int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len) +{ + u64 a0 = (u64)cpu_pa, a1 = len; + int wait = 1000; + + return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait); +} + void enic_free_vnic_resources(struct enic *enic) { unsigned int i; @@ -172,11 +188,18 @@ void enic_free_vnic_resources(struct enic *enic) void enic_get_res_counts(struct enic *enic) { - enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ); - enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ); - enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ); - enic->intr_count = vnic_dev_get_res_count(enic->vdev, - RES_TYPE_INTR_CTRL); + enic->wq_count = min_t(int, + vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ), + ENIC_WQ_MAX); + enic->rq_count = min_t(int, + vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ), + ENIC_RQ_MAX); + enic->cq_count = min_t(int, + vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ), + ENIC_CQ_MAX); + enic->intr_count = min_t(int, + vnic_dev_get_res_count(enic->vdev, RES_TYPE_INTR_CTRL), + ENIC_INTR_MAX); printk(KERN_INFO PFX "vNIC resources avail: " "wq %d rq %d cq %d intr %d\n", |
