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authorVenkat Duvvuru <venkatkumar.duvvuru@broadcom.com>2024-02-20 15:03:12 -0800
committerPaolo Abeni <pabeni@redhat.com>2024-02-22 15:31:23 +0100
commit8c81ae6c54c1273a1e08b10e1e2aa5bc321af10c (patch)
tree4f2fc51d19739222f1763a2a7e1ab326b1265685 /drivers/net/ethernet/broadcom
parent9294299867734ceff303012cd6ec98990fbd78e6 (diff)
bnxt_en: Add bnxt_get_total_vnics() to calculate number of VNICs
Refactor the code by adding a new function to calculate the number of required VNICs. This is used in multiple places when reserving or checking resources. Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 71ac165dfb52..95af3cd7dba0 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7308,13 +7308,22 @@ static void bnxt_check_rss_tbl_no_rmgr(struct bnxt *bp)
}
}
+static int bnxt_get_total_vnics(struct bnxt *bp, int rx_rings)
+{
+ if (bp->flags & BNXT_FLAG_RFS) {
+ if (!(bp->flags & BNXT_FLAG_CHIP_P5_PLUS))
+ return rx_rings + 1;
+ }
+ return 1;
+}
+
static bool bnxt_need_reserve_rings(struct bnxt *bp)
{
struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
int cp = bnxt_cp_rings_in_use(bp);
int nq = bnxt_nq_rings_in_use(bp);
int rx = bp->rx_nr_rings, stat;
- int vnic = 1, grp = rx;
+ int vnic, grp = rx;
if (hw_resc->resv_tx_rings != bp->tx_nr_rings &&
bp->hwrm_spec_code >= 0x10601)
@@ -7329,9 +7338,9 @@ static bool bnxt_need_reserve_rings(struct bnxt *bp)
bnxt_check_rss_tbl_no_rmgr(bp);
return false;
}
- if ((bp->flags & BNXT_FLAG_RFS) &&
- !(bp->flags & BNXT_FLAG_CHIP_P5_PLUS))
- vnic = rx + 1;
+
+ vnic = bnxt_get_total_vnics(bp, rx);
+
if (bp->flags & BNXT_FLAG_AGG_RINGS)
rx <<= 1;
stat = bnxt_get_func_stat_ctxs(bp);
@@ -7382,13 +7391,13 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
hwr.cp = bnxt_nq_rings_in_use(bp);
hwr.tx = bp->tx_nr_rings;
hwr.rx = bp->rx_nr_rings;
- hwr.vnic = 1;
if (bp->flags & BNXT_FLAG_SHARED_RINGS)
sh = true;
if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS)
hwr.cp_p5 = hwr.rx + hwr.tx;
- else if (bp->flags & BNXT_FLAG_RFS)
- hwr.vnic = hwr.rx + 1;
+
+ hwr.vnic = bnxt_get_total_vnics(bp, hwr.rx);
+
if (bp->flags & BNXT_FLAG_AGG_RINGS)
hwr.rx <<= 1;
hwr.grp = bp->rx_nr_rings;
@@ -13326,10 +13335,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
if (max_tx < hwr.tx)
return -ENOMEM;
- hwr.vnic = 1;
- if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5_PLUS)) ==
- BNXT_FLAG_RFS)
- hwr.vnic += rx;
+ hwr.vnic = bnxt_get_total_vnics(bp, rx);
tx_cp = __bnxt_num_tx_to_cp(bp, hwr.tx, tx_sets, tx_xdp);
hwr.cp = sh ? max_t(int, tx_cp, rx) : tx_cp + rx;