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authorChris Metcalf <cmetcalf@tilera.com>2013-08-01 11:36:42 -0400
committerDavid S. Miller <davem@davemloft.net>2013-08-01 14:35:50 -0700
commit2628e8af31a0ee4d28304d96a72fdf4d7822508c (patch)
tree384c3f522e5510d2706472545a6cbae387bbb803 /arch/tile/gxio
parent48f2a4e1e83992af6c721c6c93a6b012910e255f (diff)
tile: support jumbo frames in the tilegx network driver
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/tile/gxio')
-rw-r--r--arch/tile/gxio/iorpc_mpipe.c47
-rw-r--r--arch/tile/gxio/mpipe.c18
2 files changed, 62 insertions, 3 deletions
diff --git a/arch/tile/gxio/iorpc_mpipe.c b/arch/tile/gxio/iorpc_mpipe.c
index 31b87bf8c027..c2fb15167aee 100644
--- a/arch/tile/gxio/iorpc_mpipe.c
+++ b/arch/tile/gxio/iorpc_mpipe.c
@@ -387,6 +387,27 @@ int gxio_mpipe_link_close_aux(gxio_mpipe_context_t * context, int mac)
EXPORT_SYMBOL(gxio_mpipe_link_close_aux);
+struct link_set_attr_aux_param {
+ int mac;
+ uint32_t attr;
+ int64_t val;
+};
+
+int gxio_mpipe_link_set_attr_aux(gxio_mpipe_context_t * context, int mac,
+ uint32_t attr, int64_t val)
+{
+ struct link_set_attr_aux_param temp;
+ struct link_set_attr_aux_param *params = &temp;
+
+ params->mac = mac;
+ params->attr = attr;
+ params->val = val;
+
+ return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
+ sizeof(*params), GXIO_MPIPE_OP_LINK_SET_ATTR_AUX);
+}
+
+EXPORT_SYMBOL(gxio_mpipe_link_set_attr_aux);
struct get_timestamp_aux_param {
uint64_t sec;
@@ -454,6 +475,32 @@ int gxio_mpipe_adjust_timestamp_aux(gxio_mpipe_context_t * context,
EXPORT_SYMBOL(gxio_mpipe_adjust_timestamp_aux);
+struct config_edma_ring_blks_param {
+ unsigned int ering;
+ unsigned int max_blks;
+ unsigned int min_snf_blks;
+ unsigned int db;
+};
+
+int gxio_mpipe_config_edma_ring_blks(gxio_mpipe_context_t * context,
+ unsigned int ering, unsigned int max_blks,
+ unsigned int min_snf_blks, unsigned int db)
+{
+ struct config_edma_ring_blks_param temp;
+ struct config_edma_ring_blks_param *params = &temp;
+
+ params->ering = ering;
+ params->max_blks = max_blks;
+ params->min_snf_blks = min_snf_blks;
+ params->db = db;
+
+ return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
+ sizeof(*params),
+ GXIO_MPIPE_OP_CONFIG_EDMA_RING_BLKS);
+}
+
+EXPORT_SYMBOL(gxio_mpipe_config_edma_ring_blks);
+
struct arm_pollfd_param {
union iorpc_pollfd pollfd;
};
diff --git a/arch/tile/gxio/mpipe.c b/arch/tile/gxio/mpipe.c
index e71c63390acc..0567cf0cd29e 100644
--- a/arch/tile/gxio/mpipe.c
+++ b/arch/tile/gxio/mpipe.c
@@ -383,7 +383,7 @@ EXPORT_SYMBOL_GPL(gxio_mpipe_iqueue_init);
int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue,
gxio_mpipe_context_t *context,
- unsigned int edma_ring_id,
+ unsigned int ering,
unsigned int channel,
void *mem, unsigned int mem_size,
unsigned int mem_flags)
@@ -394,7 +394,7 @@ int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue,
/* Offset used to read number of completed commands. */
MPIPE_EDMA_POST_REGION_ADDR_t offset;
- int result = gxio_mpipe_init_edma_ring(context, edma_ring_id, channel,
+ int result = gxio_mpipe_init_edma_ring(context, ering, channel,
mem, mem_size, mem_flags);
if (result < 0)
return result;
@@ -405,7 +405,7 @@ int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue,
offset.region =
MPIPE_MMIO_ADDR__REGION_VAL_EDMA -
MPIPE_MMIO_ADDR__REGION_VAL_IDMA;
- offset.ring = edma_ring_id;
+ offset.ring = ering;
__gxio_dma_queue_init(&equeue->dma_queue,
context->mmio_fast_base + offset.word,
@@ -413,6 +413,9 @@ int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue,
equeue->edescs = mem;
equeue->mask_num_entries = num_entries - 1;
equeue->log2_num_entries = __builtin_ctz(num_entries);
+ equeue->context = context;
+ equeue->ering = ering;
+ equeue->channel = channel;
return 0;
}
@@ -543,3 +546,12 @@ int gxio_mpipe_link_close(gxio_mpipe_link_t *link)
}
EXPORT_SYMBOL_GPL(gxio_mpipe_link_close);
+
+int gxio_mpipe_link_set_attr(gxio_mpipe_link_t *link, uint32_t attr,
+ int64_t val)
+{
+ return gxio_mpipe_link_set_attr_aux(link->context, link->mac, attr,
+ val);
+}
+
+EXPORT_SYMBOL_GPL(gxio_mpipe_link_set_attr);