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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-16 16:29:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-16 16:29:25 -0700
commit7a6362800cb7d1d618a697a650c7aaed3eb39320 (patch)
tree087f9bc6c13ef1fad4b392c5cf9325cd28fa8523 /drivers/net/sfc/falcon.c
parent6445ced8670f37cfc2c5e24a9de9b413dbfc788d (diff)
parentceda86a108671294052cbf51660097b6534672f5 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1480 commits) bonding: enable netpoll without checking link status xfrm: Refcount destination entry on xfrm_lookup net: introduce rx_handler results and logic around that bonding: get rid of IFF_SLAVE_INACTIVE netdev->priv_flag bonding: wrap slave state work net: get rid of multiple bond-related netdevice->priv_flags bonding: register slave pointer for rx_handler be2net: Bump up the version number be2net: Copyright notice change. Update to Emulex instead of ServerEngines e1000e: fix kconfig for crc32 dependency netfilter ebtables: fix xt_AUDIT to work with ebtables xen network backend driver bonding: Improve syslog message at device creation time bonding: Call netif_carrier_off after register_netdevice bonding: Incorrect TX queue offset net_sched: fix ip_tos2prio xfrm: fix __xfrm_route_forward() be2net: Fix UDP packet detected status in RX compl Phonet: fix aligned-mode pipe socket buffer header reserve netxen: support for GbE port settings ... Fix up conflicts in drivers/staging/brcm80211/brcmsmac/wl_mac80211.c with the staging updates.
Diffstat (limited to 'drivers/net/sfc/falcon.c')
-rw-r--r--drivers/net/sfc/falcon.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 61ddd2c6e750..734fcfb52e85 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1,7 +1,7 @@
/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2009 Solarflare Communications Inc.
+ * Copyright 2006-2010 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -1478,36 +1478,26 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
/* RX control FIFO thresholds (32 entries) */
const unsigned ctrl_xon_thr = 20;
const unsigned ctrl_xoff_thr = 25;
- /* RX data FIFO thresholds (256-byte units; size varies) */
- int data_xon_thr = efx_nic_rx_xon_thresh >> 8;
- int data_xoff_thr = efx_nic_rx_xoff_thresh >> 8;
efx_oword_t reg;
efx_reado(efx, &reg, FR_AZ_RX_CFG);
if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
/* Data FIFO size is 5.5K */
- if (data_xon_thr < 0)
- data_xon_thr = 512 >> 8;
- if (data_xoff_thr < 0)
- data_xoff_thr = 2048 >> 8;
EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_DESC_PUSH_EN, 0);
EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_USR_BUF_SIZE,
huge_buf_size);
- EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XON_MAC_TH, data_xon_thr);
- EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XOFF_MAC_TH, data_xoff_thr);
+ EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XON_MAC_TH, 512 >> 8);
+ EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XOFF_MAC_TH, 2048 >> 8);
EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XON_TX_TH, ctrl_xon_thr);
EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XOFF_TX_TH, ctrl_xoff_thr);
} else {
/* Data FIFO size is 80K; register fields moved */
- if (data_xon_thr < 0)
- data_xon_thr = 27648 >> 8; /* ~3*max MTU */
- if (data_xoff_thr < 0)
- data_xoff_thr = 54272 >> 8; /* ~80Kb - 3*max MTU */
EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_DESC_PUSH_EN, 0);
EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_USR_BUF_SIZE,
huge_buf_size);
- EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XON_MAC_TH, data_xon_thr);
- EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_MAC_TH, data_xoff_thr);
+ /* Send XON and XOFF at ~3 * max MTU away from empty/full */
+ EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XON_MAC_TH, 27648 >> 8);
+ EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_MAC_TH, 54272 >> 8);
EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XON_TX_TH, ctrl_xon_thr);
EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_TX_TH, ctrl_xoff_thr);
EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);