Date: Mon, 29 Apr 2013 16:58:22 +0000 (UTC) From: Luigi Rizzo <luigi@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r250049 - head/sys/dev/netmap Message-ID: <201304291658.r3TGwMPe094557@svn.freebsd.org>
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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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