summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/chelsio/cxgb4
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c13
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h1
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c75
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_values.h4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h3
5 files changed, 76 insertions, 20 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index afb0967d2ce6..c12c4a3b82b5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2338,6 +2338,10 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
f->locked = 1;
f->fs.rpttid = 1;
+ /* Save the actual tid. We need this to get the corresponding
+ * filter entry structure in filter_rpl.
+ */
+ f->tid = stid + adap->tids.ftid_base;
ret = set_filter_wr(adap, stid);
if (ret) {
clear_filter(adap, f);
@@ -3809,6 +3813,15 @@ static int adap_init0(struct adapter *adap)
}
if (caps_cmd.cryptocaps) {
/* Should query params here...TODO */
+ params[0] = FW_PARAM_PFVF(NCRYPTO_LOOKASIDE);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
+ params, val);
+ if (ret < 0) {
+ if (ret != -EINVAL)
+ goto bye;
+ } else {
+ adap->vres.ncrypto_fc = val[0];
+ }
adap->params.crypto |= ULP_CRYPTO_LOOKASIDE;
adap->num_uld += 1;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 4c856605fdfa..6e74040af49a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -272,6 +272,7 @@ struct cxgb4_virt_res { /* virtualized HW resources */
struct cxgb4_range qp;
struct cxgb4_range cq;
struct cxgb4_range ocq;
+ unsigned int ncrypto_fc;
};
#define OCQ_WIN_OFFSET(pdev, vres) \
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 87000cd39737..0de8eb72325c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -6369,7 +6369,6 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
unsigned int stat_len = cache_line_size > 64 ? 128 : 64;
unsigned int fl_align = cache_line_size < 32 ? 32 : cache_line_size;
unsigned int fl_align_log = fls(fl_align) - 1;
- unsigned int ingpad;
t4_write_reg(adap, SGE_HOST_PAGE_SIZE_A,
HOSTPAGESIZEPF0_V(sge_hps) |
@@ -6389,6 +6388,10 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
INGPADBOUNDARY_SHIFT_X) |
EGRSTATUSPAGESIZE_V(stat_len != 64));
} else {
+ unsigned int pack_align;
+ unsigned int ingpad, ingpack;
+ unsigned int pcie_cap;
+
/* T5 introduced the separation of the Free List Padding and
* Packing Boundaries. Thus, we can select a smaller Padding
* Boundary to avoid uselessly chewing up PCIe Link and Memory
@@ -6401,27 +6404,62 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
* Size (the minimum unit of transfer to/from Memory). If we
* have a Padding Boundary which is smaller than the Memory
* Line Size, that'll involve a Read-Modify-Write cycle on the
- * Memory Controller which is never good. For T5 the smallest
- * Padding Boundary which we can select is 32 bytes which is
- * larger than any known Memory Controller Line Size so we'll
- * use that.
- *
- * T5 has a different interpretation of the "0" value for the
- * Packing Boundary. This corresponds to 16 bytes instead of
- * the expected 32 bytes. We never have a Packing Boundary
- * less than 32 bytes so we can't use that special value but
- * on the other hand, if we wanted 32 bytes, the best we can
- * really do is 64 bytes.
- */
- if (fl_align <= 32) {
+ * Memory Controller which is never good.
+ */
+
+ /* We want the Packing Boundary to be based on the Cache Line
+ * Size in order to help avoid False Sharing performance
+ * issues between CPUs, etc. We also want the Packing
+ * Boundary to incorporate the PCI-E Maximum Payload Size. We
+ * get best performance when the Packing Boundary is a
+ * multiple of the Maximum Payload Size.
+ */
+ pack_align = fl_align;
+ pcie_cap = pci_find_capability(adap->pdev, PCI_CAP_ID_EXP);
+ if (pcie_cap) {
+ unsigned int mps, mps_log;
+ u16 devctl;
+
+ /* The PCIe Device Control Maximum Payload Size field
+ * [bits 7:5] encodes sizes as powers of 2 starting at
+ * 128 bytes.
+ */
+ pci_read_config_word(adap->pdev,
+ pcie_cap + PCI_EXP_DEVCTL,
+ &devctl);
+ mps_log = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5) + 7;
+ mps = 1 << mps_log;
+ if (mps > pack_align)
+ pack_align = mps;
+ }
+
+ /* N.B. T5/T6 have a crazy special interpretation of the "0"
+ * value for the Packing Boundary. This corresponds to 16
+ * bytes instead of the expected 32 bytes. So if we want 32
+ * bytes, the best we can really do is 64 bytes ...
+ */
+ if (pack_align <= 16) {
+ ingpack = INGPACKBOUNDARY_16B_X;
+ fl_align = 16;
+ } else if (pack_align == 32) {
+ ingpack = INGPACKBOUNDARY_64B_X;
fl_align = 64;
- fl_align_log = 6;
+ } else {
+ unsigned int pack_align_log = fls(pack_align) - 1;
+
+ ingpack = pack_align_log - INGPACKBOUNDARY_SHIFT_X;
+ fl_align = pack_align;
}
+ /* Use the smallest Ingress Padding which isn't smaller than
+ * the Memory Controller Read/Write Size. We'll take that as
+ * being 8 bytes since we don't know of any system with a
+ * wider Memory Controller Bus Width.
+ */
if (is_t5(adap->params.chip))
- ingpad = INGPCIEBOUNDARY_32B_X;
+ ingpad = INGPADBOUNDARY_32B_X;
else
- ingpad = T6_INGPADBOUNDARY_32B_X;
+ ingpad = T6_INGPADBOUNDARY_8B_X;
t4_set_reg_field(adap, SGE_CONTROL_A,
INGPADBOUNDARY_V(INGPADBOUNDARY_M) |
@@ -6430,8 +6468,7 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
EGRSTATUSPAGESIZE_V(stat_len != 64));
t4_set_reg_field(adap, SGE_CONTROL2_A,
INGPACKBOUNDARY_V(INGPACKBOUNDARY_M),
- INGPACKBOUNDARY_V(fl_align_log -
- INGPACKBOUNDARY_SHIFT_X));
+ INGPACKBOUNDARY_V(ingpack));
}
/*
* Adjust various SGE Free List Host Buffer Sizes.
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_values.h b/drivers/net/ethernet/chelsio/cxgb4/t4_values.h
index 36cf3073ca37..f6558cbfc54e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_values.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_values.h
@@ -54,11 +54,15 @@
#define INGPADBOUNDARY_SHIFT_X 5
#define T6_INGPADBOUNDARY_SHIFT_X 3
+#define T6_INGPADBOUNDARY_8B_X 0
#define T6_INGPADBOUNDARY_32B_X 2
+#define INGPADBOUNDARY_32B_X 0
+
/* CONTROL2 register */
#define INGPACKBOUNDARY_SHIFT_X 5
#define INGPACKBOUNDARY_16B_X 0
+#define INGPACKBOUNDARY_64B_X 1
/* GTS register */
#define SGE_TIMERREGS 6
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index ccc05f874419..8f8c079d0d2b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -1167,7 +1167,8 @@ enum fw_params_param_pfvf {
FW_PARAMS_PARAM_PFVF_ACTIVE_FILTER_START = 0x2D,
FW_PARAMS_PARAM_PFVF_ACTIVE_FILTER_END = 0x2E,
FW_PARAMS_PARAM_PFVF_ETHOFLD_END = 0x30,
- FW_PARAMS_PARAM_PFVF_CPLFW4MSG_ENCAP = 0x31
+ FW_PARAMS_PARAM_PFVF_CPLFW4MSG_ENCAP = 0x31,
+ FW_PARAMS_PARAM_PFVF_NCRYPTO_LOOKASIDE = 0x32
};
/*
OpenPOWER on IntegriCloud