diff options
author | Damjan Marion <damarion@cisco.com> | 2016-08-17 17:05:46 +0200 |
---|---|---|
committer | Dave Barach <openvpp@barachs.net> | 2016-08-17 18:28:43 +0000 |
commit | 00a9dcad03eaab34e03b71e3af071a62e3406b0d (patch) | |
tree | e04d2c6d6cc318ea8eb2e4d1566cb83b52593461 /vnet/vnet/devices/netmap/device.c | |
parent | 5a5f5aac91426d97eccfa353b5ebbe99d09f2e3f (diff) |
Coding standards cleanup in vnet/vnet/devices, fixes VPP-248
Change-Id: I35cf89bf1aa54b76294876e9feb0ed0ccc316975
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'vnet/vnet/devices/netmap/device.c')
-rw-r--r-- | vnet/vnet/devices/netmap/device.c | 133 |
1 files changed, 74 insertions, 59 deletions
diff --git a/vnet/vnet/devices/netmap/device.c b/vnet/vnet/devices/netmap/device.c index 751caf72aa8..74535208aec 100644 --- a/vnet/vnet/devices/netmap/device.c +++ b/vnet/vnet/devices/netmap/device.c @@ -30,36 +30,39 @@ _(NO_FREE_SLOTS, "no free tx slots") \ _(PENDING_MSGS, "pending msgs in tx ring") -typedef enum { +typedef enum +{ #define _(f,s) NETMAP_TX_ERROR_##f, foreach_netmap_tx_func_error #undef _ - NETMAP_TX_N_ERROR, + NETMAP_TX_N_ERROR, } netmap_tx_func_error_t; -static char * netmap_tx_func_error_strings[] = { +static char *netmap_tx_func_error_strings[] = { #define _(n,s) s, - foreach_netmap_tx_func_error + foreach_netmap_tx_func_error #undef _ }; -static u8 * format_netmap_device_name (u8 * s, va_list * args) +static u8 * +format_netmap_device_name (u8 * s, va_list * args) { u32 i = va_arg (*args, u32); - netmap_main_t * apm = &netmap_main; - netmap_if_t * nif = pool_elt_at_index (apm->interfaces, i); + netmap_main_t *apm = &netmap_main; + netmap_if_t *nif = pool_elt_at_index (apm->interfaces, i); s = format (s, "netmap-%s", nif->host_if_name); return s; } -static u8 * format_netmap_device (u8 * s, va_list * args) +static u8 * +format_netmap_device (u8 * s, va_list * args) { u32 dev_instance = va_arg (*args, u32); int verbose = va_arg (*args, int); - netmap_main_t * nm = &netmap_main; - netmap_if_t * nif = vec_elt_at_index (nm->interfaces, dev_instance); + netmap_main_t *nm = &netmap_main; + netmap_if_t *nif = vec_elt_at_index (nm->interfaces, dev_instance); uword indent = format_get_indent (s); s = format (s, "NETMAP interface"); @@ -78,13 +81,13 @@ static u8 * format_netmap_device (u8 * s, va_list * args) format_white_space, indent + 2, nif->req->nr_tx_slots, nif->req->nr_rx_slots, - nif->req->nr_tx_rings, - nif->req->nr_rx_rings); + nif->req->nr_tx_rings, nif->req->nr_rx_rings); } return s; } -static u8 * format_netmap_tx_trace (u8 * s, va_list * args) +static u8 * +format_netmap_tx_trace (u8 * s, va_list * args) { s = format (s, "Unimplemented..."); return s; @@ -92,95 +95,96 @@ static u8 * format_netmap_tx_trace (u8 * s, va_list * args) static uword netmap_interface_tx (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) + vlib_node_runtime_t * node, vlib_frame_t * frame) { - netmap_main_t * nm = &netmap_main; - u32 * buffers = vlib_frame_args (frame); + netmap_main_t *nm = &netmap_main; + u32 *buffers = vlib_frame_args (frame); u32 n_left = frame->n_vectors; f64 const time_constant = 1e3; - vnet_interface_output_runtime_t * rd = (void *) node->runtime_data; - netmap_if_t * nif = pool_elt_at_index (nm->interfaces, rd->dev_instance); + vnet_interface_output_runtime_t *rd = (void *) node->runtime_data; + netmap_if_t *nif = pool_elt_at_index (nm->interfaces, rd->dev_instance); int cur_ring; - if (PREDICT_FALSE(nif->lockp != 0)) + if (PREDICT_FALSE (nif->lockp != 0)) { while (__sync_lock_test_and_set (nif->lockp, 1)) - ; + ; } cur_ring = nif->first_tx_ring; - while(n_left && cur_ring <= nif->last_tx_ring) + while (n_left && cur_ring <= nif->last_tx_ring) { - struct netmap_ring * ring = NETMAP_TXRING(nif->nifp, cur_ring); - int n_free_slots = nm_ring_space(ring); + struct netmap_ring *ring = NETMAP_TXRING (nif->nifp, cur_ring); + int n_free_slots = nm_ring_space (ring); uint cur = ring->cur; - if (nm_tx_pending(ring)) - { - if (ioctl(nif->fd, NIOCTXSYNC, NULL) < 0) - clib_unix_warning ("NIOCTXSYNC"); - clib_cpu_time_wait(time_constant); - - if (nm_tx_pending(ring) && !n_free_slots) - { - cur_ring++; - continue; - } - } + if (nm_tx_pending (ring)) + { + if (ioctl (nif->fd, NIOCTXSYNC, NULL) < 0) + clib_unix_warning ("NIOCTXSYNC"); + clib_cpu_time_wait (time_constant); + + if (nm_tx_pending (ring) && !n_free_slots) + { + cur_ring++; + continue; + } + } while (n_left && n_free_slots) { - vlib_buffer_t * b0 = 0; + vlib_buffer_t *b0 = 0; u32 bi = buffers[0]; u32 len; u32 offset = 0; buffers++; - struct netmap_slot * slot = &ring->slot[cur]; + struct netmap_slot *slot = &ring->slot[cur]; do { b0 = vlib_get_buffer (vm, bi); len = b0->current_length; /* memcpy */ - clib_memcpy ((u8 *) NETMAP_BUF(ring, slot->buf_idx) + offset, - vlib_buffer_get_current(b0), len); + clib_memcpy ((u8 *) NETMAP_BUF (ring, slot->buf_idx) + offset, + vlib_buffer_get_current (b0), len); offset += len; } - while ((bi = b0->next_buffer)); + while ((bi = b0->next_buffer)); slot->len = offset; cur = (cur + 1) % ring->num_slots; n_free_slots--; - n_left--; + n_left--; } - CLIB_MEMORY_BARRIER(); + CLIB_MEMORY_BARRIER (); ring->head = ring->cur = cur; } if (n_left < frame->n_vectors) - ioctl(nif->fd, NIOCTXSYNC, NULL); + ioctl (nif->fd, NIOCTXSYNC, NULL); - if (PREDICT_FALSE(nif->lockp != 0)) - *nif->lockp = 0; + if (PREDICT_FALSE (nif->lockp != 0)) + *nif->lockp = 0; if (n_left) vlib_error_count (vm, node->node_index, - (n_left == frame->n_vectors ? NETMAP_TX_ERROR_PENDING_MSGS : NETMAP_TX_ERROR_NO_FREE_SLOTS), n_left); + (n_left == + frame->n_vectors ? NETMAP_TX_ERROR_PENDING_MSGS : + NETMAP_TX_ERROR_NO_FREE_SLOTS), n_left); vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors); return frame->n_vectors; } static void -netmap_set_interface_next_node (vnet_main_t *vnm, u32 hw_if_index, - u32 node_index) +netmap_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index, + u32 node_index) { - netmap_main_t * apm = &netmap_main; + netmap_main_t *apm = &netmap_main; vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); - netmap_if_t * nif = pool_elt_at_index (apm->interfaces, hw->dev_instance); + netmap_if_t *nif = pool_elt_at_index (apm->interfaces, hw->dev_instance); /* Shut off redirection */ if (node_index == ~0) @@ -190,10 +194,12 @@ netmap_set_interface_next_node (vnet_main_t *vnm, u32 hw_if_index, } nif->per_interface_next_index = - vlib_node_add_next (vlib_get_main(), netmap_input_node.index, node_index); + vlib_node_add_next (vlib_get_main (), netmap_input_node.index, + node_index); } -static void netmap_clear_hw_interface_counters (u32 instance) +static void +netmap_clear_hw_interface_counters (u32 instance) { /* Nothing for now */ } @@ -201,9 +207,9 @@ static void netmap_clear_hw_interface_counters (u32 instance) static clib_error_t * netmap_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) { - netmap_main_t * apm = &netmap_main; + netmap_main_t *apm = &netmap_main; vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); - netmap_if_t * nif = pool_elt_at_index (apm->interfaces, hw->dev_instance); + netmap_if_t *nif = pool_elt_at_index (apm->interfaces, hw->dev_instance); u32 hw_flags; nif->is_admin_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0; @@ -213,21 +219,21 @@ netmap_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) else hw_flags = 0; - vnet_hw_interface_set_flags(vnm, hw_if_index, hw_flags); + vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags); return 0; } static clib_error_t * netmap_subif_add_del_function (vnet_main_t * vnm, - u32 hw_if_index, - struct vnet_sw_interface_t * st, - int is_add) + u32 hw_if_index, + struct vnet_sw_interface_t *st, int is_add) { /* Nothing for now */ return 0; } +/* *INDENT-OFF* */ VNET_DEVICE_CLASS (netmap_device_class) = { .name = "netmap", .tx_function = netmap_interface_tx, @@ -245,3 +251,12 @@ VNET_DEVICE_CLASS (netmap_device_class) = { VLIB_DEVICE_TX_FUNCTION_MULTIARCH(netmap_device_class, netmap_interface_tx) +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |