Author: luigi
Date: Mon Apr 29 16:58:21 2013
New Revision: 250049
URL: http://svnweb.freebsd.org/changeset/base/250049
Log:
explicitly mark some variables as const
Modified:
head/sys/dev/netmap/ixgbe_netmap.h
Modified: head/sys/dev/netmap/ixgbe_netmap.h
==============================================================================
--- head/sys/dev/netmap/ixgbe_netmap.h Mon Apr 29 15:58:04 2013
(r250048)
+++ head/sys/dev/netmap/ixgbe_netmap.h Mon Apr 29 16:58:21 2013
(r250049)
@@ -226,7 +226,8 @@ ixgbe_netmap_txsync(struct ifnet *ifp, u
struct netmap_adapter *na = NA(adapter->ifp);
struct netmap_kring *kring = &na->tx_rings[ring_nr];
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
@@ -393,11 +394,10 @@ ring_reset:
if (ix_use_dd) {
struct ixgbe_legacy_tx_desc *txd =
(struct ixgbe_legacy_tx_desc *)txr->tx_base;
-
+ u_int k1 = netmap_idx_k2n(kring, kring->nr_hwcur);
l = txr->next_to_clean;
- k = netmap_idx_k2n(kring, kring->nr_hwcur);
delta = 0;
- while (l != k &&
+ while (l != k1 &&
txd[l].upper.fields.status & IXGBE_TXD_STAT_DD) {
delta++;
l = (l == lim) ? 0 : l + 1;
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