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path: root/drivers/net/chelsio/tp.c
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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 0ca0b6e19e43..6222d585e447 100644
--- a/drivers/net/chelsio/tp.c
+++ b/drivers/net/chelsio/tp.c
@@ -17,39 +17,36 @@ struct petp {
17static void tp_init(adapter_t * ap, const struct tp_params *p, 17static void tp_init(adapter_t * ap, const struct tp_params *p,
18 unsigned int tp_clk) 18 unsigned int tp_clk)
19{ 19{
20 if (t1_is_asic(ap)) { 20 u32 val;
21 u32 val;
22
23 val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM |
24 F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET;
25 if (!p->pm_size)
26 val |= F_OFFLOAD_DISABLE;
27 else
28 val |= F_TP_IN_ESPI_CHECK_IP_CSUM |
29 F_TP_IN_ESPI_CHECK_TCP_CSUM;
30 writel(val, ap->regs + A_TP_IN_CONFIG);
31 writel(F_TP_OUT_CSPI_CPL |
32 F_TP_OUT_ESPI_ETHERNET |
33 F_TP_OUT_ESPI_GENERATE_IP_CSUM |
34 F_TP_OUT_ESPI_GENERATE_TCP_CSUM,
35 ap->regs + A_TP_OUT_CONFIG);
36 writel(V_IP_TTL(64) |
37 F_PATH_MTU /* IP DF bit */ |
38 V_5TUPLE_LOOKUP(p->use_5tuple_mode) |
39 V_SYN_COOKIE_PARAMETER(29),
40 ap->regs + A_TP_GLOBAL_CONFIG);
41 /*
42 * Enable pause frame deadlock prevention.
43 */
44 if (is_T2(ap) && ap->params.nports > 1) {
45 u32 drop_ticks = DROP_MSEC * (tp_clk / 1000);
46
47 writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR |
48 V_DROP_TICKS_CNT(drop_ticks) |
49 V_NUM_PKTS_DROPPED(DROP_PKTS_CNT),
50 ap->regs + A_TP_TX_DROP_CONFIG);
51 }
52 21
22 if (!t1_is_asic(ap))
23 return;
24
25 val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM |
26 F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET;
27 if (!p->pm_size)
28 val |= F_OFFLOAD_DISABLE;
29 else
30 val |= F_TP_IN_ESPI_CHECK_IP_CSUM | F_TP_IN_ESPI_CHECK_TCP_CSUM;
31 writel(val, ap->regs + A_TP_IN_CONFIG);
32 writel(F_TP_OUT_CSPI_CPL |
33 F_TP_OUT_ESPI_ETHERNET |
34 F_TP_OUT_ESPI_GENERATE_IP_CSUM |
35 F_TP_OUT_ESPI_GENERATE_TCP_CSUM, ap->regs + A_TP_OUT_CONFIG);
36 writel(V_IP_TTL(64) |
37 F_PATH_MTU /* IP DF bit */ |
38 V_5TUPLE_LOOKUP(p->use_5tuple_mode) |
39 V_SYN_COOKIE_PARAMETER(29), ap->regs + A_TP_GLOBAL_CONFIG);
40 /*
41 * Enable pause frame deadlock prevention.
42 */
43 if (is_T2(ap) && ap->params.nports > 1) {
44 u32 drop_ticks = DROP_MSEC * (tp_clk / 1000);
45
46 writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR |
47 V_DROP_TICKS_CNT(drop_ticks) |
48 V_NUM_PKTS_DROPPED(DROP_PKTS_CNT),
49 ap->regs + A_TP_TX_DROP_CONFIG);
53 } 50 }
54} 51}
55 52
@@ -61,6 +58,7 @@ void t1_tp_destroy(struct petp *tp)
61struct petp *__devinit t1_tp_create(adapter_t * adapter, struct tp_params *p) 58struct petp *__devinit t1_tp_create(adapter_t * adapter, struct tp_params *p)
62{ 59{
63 struct petp *tp = kzalloc(sizeof(*tp), GFP_KERNEL); 60 struct petp *tp = kzalloc(sizeof(*tp), GFP_KERNEL);
61
64 if (!tp) 62 if (!tp)
65 return NULL; 63 return NULL;
66 64