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explicitly mark some variables as const

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This commit is contained in:
Luigi Rizzo 2013-04-29 16:58:21 +00:00
parent ec6bcfa1f8
commit b865453e3e
1 changed files with 4 additions and 4 deletions
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8
sys/dev/netmap/ixgbe_netmap.h
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@ -226,7 +226,8 @@ ixgbe_netmap_txsync(struct ifnet *ifp, u_int ring_nr, int do_lock)
struct netmap_adapter *na = NA(adapter->ifp); struct netmap_adapter *na = NA(adapter->ifp);
struct netmap_kring *kring = &na->tx_rings[ring_nr]; struct netmap_kring *kring = &na->tx_rings[ring_nr];
struct netmap_ring *ring = kring->ring; struct netmap_ring *ring = kring->ring;
u_int j, k = ring->cur, l, n = 0, lim = kring->nkr_num_slots - 1; u_int j, l, n = 0;
u_int const k = ring->cur, lim = kring->nkr_num_slots - 1;
/* /*
* ixgbe can generate an interrupt on every tx packet, but it * ixgbe can generate an interrupt on every tx packet, but it
@ -393,11 +394,10 @@ ring_reset:
if (ix_use_dd) { if (ix_use_dd) {
struct ixgbe_legacy_tx_desc *txd = struct ixgbe_legacy_tx_desc *txd =
(struct ixgbe_legacy_tx_desc *)txr->tx_base; (struct ixgbe_legacy_tx_desc *)txr->tx_base;
u_int k1 = netmap_idx_k2n(kring, kring->nr_hwcur);
l = txr->next_to_clean; l = txr->next_to_clean;
k = netmap_idx_k2n(kring, kring->nr_hwcur);
delta = 0; delta = 0;
while (l != k && while (l != k1 &&
txd[l].upper.fields.status & IXGBE_TXD_STAT_DD) { txd[l].upper.fields.status & IXGBE_TXD_STAT_DD) {
delta++; delta++;
l = (l == lim) ? 0 : l + 1; l = (l == lim) ? 0 : l + 1;