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bnxt_en: Add macros related to TC and TX rings

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Add 3 macros that handle to conversions between TC numbers and TX
ring numbers.  These will help to clarify the existing logic and the
new logic in the next patch.

Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan
2023-11-13 16:16:19 -08:00
committed by David S. Miller
parent f5b29c6afe
commit f07b58801b
1 changed files with 11 additions and 2 deletions
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13
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@@ -3415,6 +3415,15 @@ static void bnxt_free_tx_rings(struct bnxt *bp)
}
}
#define BNXT_TC_TO_RING_BASE(bp, tc) \
((tc) * (bp)->tx_nr_rings_per_tc)
#define BNXT_RING_TO_TC_OFF(bp, tx) \
((tx) % (bp)->tx_nr_rings_per_tc)
#define BNXT_RING_TO_TC(bp, tx) \
((tx) / (bp)->tx_nr_rings_per_tc)
static int bnxt_alloc_tx_rings(struct bnxt *bp)
{
int i, j, rc;
@@ -3470,7 +3479,7 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp)
spin_lock_init(&txr->xdp_tx_lock);
if (i < bp->tx_nr_rings_xdp)
continue;
if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1))
if (BNXT_RING_TO_TC_OFF(bp, i) == (bp->tx_nr_rings_per_tc - 1))
j++;
}
return 0;
@@ -9140,7 +9149,7 @@ static void bnxt_setup_msix(struct bnxt *bp)
for (i = 0; i < tcs; i++) {
count = bp->tx_nr_rings_per_tc;
off = i * count;
off = BNXT_TC_TO_RING_BASE(bp, i);
netdev_set_tc_queue(dev, i, count, off);
}
}