From 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Wed, 6 Jul 2016 09:22:35 +0200 Subject: Imported Upstream version 16.07-rc1 Change-Id: I40a523e52f12e8496fdd69e902824b0226c303de Signed-off-by: Christian Ehrhardt --- drivers/net/enic/enic_res.c | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) (limited to 'drivers/net/enic/enic_res.c') diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c index ebe379dd..b271d340 100644 --- a/drivers/net/enic/enic_res.c +++ b/drivers/net/enic/enic_res.c @@ -83,6 +83,20 @@ int enic_get_vnic_config(struct enic *enic) GET_CONFIG(intr_timer_usec); GET_CONFIG(loop_tag); GET_CONFIG(num_arfs); + GET_CONFIG(max_pkt_size); + + /* max packet size is only defined in newer VIC firmware + * and will be 0 for legacy firmware and VICs + */ + if (c->max_pkt_size > ENIC_DEFAULT_MAX_PKT_SIZE) + enic->max_mtu = c->max_pkt_size - (ETHER_HDR_LEN + 4); + else + enic->max_mtu = ENIC_DEFAULT_MAX_PKT_SIZE - (ETHER_HDR_LEN + 4); + if (c->mtu == 0) + c->mtu = 1500; + + enic->rte_dev->data->mtu = min_t(u16, enic->max_mtu, + max_t(u16, ENIC_MIN_MTU, c->mtu)); c->wq_desc_count = min_t(u32, ENIC_MAX_WQ_DESCS, @@ -96,21 +110,16 @@ int enic_get_vnic_config(struct enic *enic) c->rq_desc_count)); c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ - if (c->mtu == 0) - c->mtu = 1500; - c->mtu = min_t(u16, ENIC_MAX_MTU, - max_t(u16, ENIC_MIN_MTU, - c->mtu)); - c->intr_timer_usec = min_t(u32, c->intr_timer_usec, vnic_dev_get_intr_coal_timer_max(enic->vdev)); dev_info(enic_get_dev(enic), "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x " - "wq/rq %d/%d mtu %d\n", + "wq/rq %d/%d mtu %d, max mtu:%d\n", enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2], enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5], - c->wq_desc_count, c->rq_desc_count, c->mtu); + c->wq_desc_count, c->rq_desc_count, + enic->rte_dev->data->mtu, enic->max_mtu); dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s " "rss %s intr mode %s type %s timer %d usec " "loopback tag 0x%04x\n", @@ -196,8 +205,9 @@ void enic_free_vnic_resources(struct enic *enic) for (i = 0; i < enic->wq_count; i++) vnic_wq_free(&enic->wq[i]); - for (i = 0; i < enic->rq_count; i++) - vnic_rq_free(&enic->rq[i]); + for (i = 0; i < enic_vnic_rq_count(enic); i++) + if (enic->rq[i].in_use) + vnic_rq_free(&enic->rq[i]); for (i = 0; i < enic->cq_count; i++) vnic_cq_free(&enic->cq[i]); vnic_intr_free(&enic->intr); -- cgit 1.2.3-korg