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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-07 19:21:56 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-07 19:21:56 -0800
commit7677ced48e2bbbb8d847d34f37e5d96d2b0e41e4 (patch)
tree0a859f403c02eb854d9ffa11bd17f77056891d07 /drivers/net/chelsio/tp.c
parent21d37bbc65e39a26856de6b14be371ff24e0d03f (diff)
parentac38dfc39e7684f55174742e5f0d6c5a0093bbf6 (diff)
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (116 commits) sk98lin: planned removal AT91: MACB support sky2: version 1.12 sky2: add new chip ids sky2: Yukon Extreme support sky2: safer transmit timeout sky2: TSO support for EC_U sky2: use dev_err for error reports sky2: add Wake On Lan support fix unaligned exception in /drivers/net/wireless/orinoco.c Remove unused kernel config option DLCI_COUNT z85230: spinlock logic mips: declance: Driver model for the PMAD-A Spidernet: Rework RX linked list NET: turn local_save_flags() + local_irq_disable() into local_irq_save() NET-3c59x: turn local_save_flags() + local_irq_disable() into local_irq_save() hp100: convert pci_module_init() to pci_register_driver() NetXen: Added ethtool support for user level tools. NetXen: Firmware crb init changes. maintainers: add atl1 maintainers ...
Diffstat (limited to 'drivers/net/chelsio/tp.c')
-rw-r--r--drivers/net/chelsio/tp.c62
1 files changed, 30 insertions, 32 deletions
diff --git a/drivers/net/chelsio/tp.c b/drivers/net/chelsio/tp.c
index 0ca0b6e19e4..6222d585e44 100644
--- a/drivers/net/chelsio/tp.c
+++ b/drivers/net/chelsio/tp.c
@@ -17,39 +17,36 @@ struct petp {
static void tp_init(adapter_t * ap, const struct tp_params *p,
unsigned int tp_clk)
{
- if (t1_is_asic(ap)) {
- u32 val;
-
- val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM |
- F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET;
- if (!p->pm_size)
- val |= F_OFFLOAD_DISABLE;
- else
- val |= F_TP_IN_ESPI_CHECK_IP_CSUM |
- F_TP_IN_ESPI_CHECK_TCP_CSUM;
- writel(val, ap->regs + A_TP_IN_CONFIG);
- writel(F_TP_OUT_CSPI_CPL |
- F_TP_OUT_ESPI_ETHERNET |
- F_TP_OUT_ESPI_GENERATE_IP_CSUM |
- F_TP_OUT_ESPI_GENERATE_TCP_CSUM,
- ap->regs + A_TP_OUT_CONFIG);
- writel(V_IP_TTL(64) |
- F_PATH_MTU /* IP DF bit */ |
- V_5TUPLE_LOOKUP(p->use_5tuple_mode) |
- V_SYN_COOKIE_PARAMETER(29),
- ap->regs + A_TP_GLOBAL_CONFIG);
- /*
- * Enable pause frame deadlock prevention.
- */
- if (is_T2(ap) && ap->params.nports > 1) {
- u32 drop_ticks = DROP_MSEC * (tp_clk / 1000);
-
- writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR |
- V_DROP_TICKS_CNT(drop_ticks) |
- V_NUM_PKTS_DROPPED(DROP_PKTS_CNT),
- ap->regs + A_TP_TX_DROP_CONFIG);
- }
+ u32 val;
+ if (!t1_is_asic(ap))
+ return;
+
+ val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM |
+ F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET;
+ if (!p->pm_size)
+ val |= F_OFFLOAD_DISABLE;
+ else
+ val |= F_TP_IN_ESPI_CHECK_IP_CSUM | F_TP_IN_ESPI_CHECK_TCP_CSUM;
+ writel(val, ap->regs + A_TP_IN_CONFIG);
+ writel(F_TP_OUT_CSPI_CPL |
+ F_TP_OUT_ESPI_ETHERNET |
+ F_TP_OUT_ESPI_GENERATE_IP_CSUM |
+ F_TP_OUT_ESPI_GENERATE_TCP_CSUM, ap->regs + A_TP_OUT_CONFIG);
+ writel(V_IP_TTL(64) |
+ F_PATH_MTU /* IP DF bit */ |
+ V_5TUPLE_LOOKUP(p->use_5tuple_mode) |
+ V_SYN_COOKIE_PARAMETER(29), ap->regs + A_TP_GLOBAL_CONFIG);
+ /*
+ * Enable pause frame deadlock prevention.
+ */
+ if (is_T2(ap) && ap->params.nports > 1) {
+ u32 drop_ticks = DROP_MSEC * (tp_clk / 1000);
+
+ writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR |
+ V_DROP_TICKS_CNT(drop_ticks) |
+ V_NUM_PKTS_DROPPED(DROP_PKTS_CNT),
+ ap->regs + A_TP_TX_DROP_CONFIG);
}
}
@@ -61,6 +58,7 @@ void t1_tp_destroy(struct petp *tp)
struct petp *__devinit t1_tp_create(adapter_t * adapter, struct tp_params *p)
{
struct petp *tp = kzalloc(sizeof(*tp), GFP_KERNEL);
+
if (!tp)
return NULL;