From: Charles (Chas) Williams Date: Fri, 10 Jun 2016 22:18:52 +0000 (-0400) Subject: net/bnx2x: fix MSIX vector and VF resource counts X-Git-Tag: spdx-start~6432 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=3754101cd74c;p=dpdk.git net/bnx2x: fix MSIX vector and VF resource counts If MSIX is available, the vector count given by the table size is one less than the actual count. This count also limits the receive and transmit queue resources the VF can support. Fixes: 540a211084a7 ("bnx2x: driver core") Signed-off-by: Charles (Chas) Williams Acked-by: Harish Patil --- diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c index f1bc2dde09..3095d2bb28 100644 --- a/drivers/net/bnx2x/bnx2x.c +++ b/drivers/net/bnx2x/bnx2x.c @@ -9552,8 +9552,10 @@ static int bnx2x_pci_get_caps(struct bnx2x_softc *sc) static void bnx2x_init_rte(struct bnx2x_softc *sc) { if (IS_VF(sc)) { - sc->max_tx_queues = BNX2X_VF_MAX_QUEUES_PER_VF; - sc->max_rx_queues = BNX2X_VF_MAX_QUEUES_PER_VF; + sc->max_tx_queues = min(BNX2X_VF_MAX_QUEUES_PER_VF, + sc->igu_sb_cnt); + sc->max_rx_queues = min(BNX2X_VF_MAX_QUEUES_PER_VF, + sc->igu_sb_cnt); } else { sc->max_tx_queues = 128; sc->max_rx_queues = 128; @@ -9695,7 +9697,7 @@ int bnx2x_attach(struct bnx2x_softc *sc) pci_read(sc, (sc->devinfo.pcie_msix_cap_reg + PCIR_MSIX_CTRL), &val, 2); - sc->igu_sb_cnt = (val & PCIM_MSIXCTRL_TABLE_SIZE); + sc->igu_sb_cnt = (val & PCIM_MSIXCTRL_TABLE_SIZE) + 1; } else { sc->igu_sb_cnt = 1; }