1 /*******************************************************************************
3 Copyright (c) 2006-2009, Myricom Inc.
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
12 2. Neither the name of the Myricom Inc, nor the names of its
13 contributors may be used to endorse or promote products derived from
14 this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 POSSIBILITY OF SUCH DAMAGE.
30 ***************************************************************************/
32 #define MXGE_ETH_STOPPED 0
33 #define MXGE_ETH_STOPPING 1
34 #define MXGE_ETH_STARTING 2
35 #define MXGE_ETH_RUNNING 3
36 #define MXGE_ETH_OPEN_FAILED 4
38 #define MXGE_FW_OFFSET 1024*1024
39 #define MXGE_EEPROM_STRINGS_SIZE 256
40 #define MXGE_MAX_SEND_DESC 128
42 #if ((__FreeBSD_version > 800000 && __FreeBSD_version < 800005) \
43 || __FreeBSD_version < 700111)
44 #define MXGE_VIRT_JUMBOS 1
46 #define MXGE_VIRT_JUMBOS 0
49 #ifndef VLAN_CAPABILITIES
50 #define VLAN_CAPABILITIES(ifp)
51 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
53 #define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk
56 #ifndef VLAN_TAG_VALUE
57 #define MXGE_NEW_VLAN_API
100 struct mxge_rx_buffer_state {
105 struct mxge_tx_buffer_state {
113 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
114 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
115 struct mxge_rx_buffer_state *info;
117 bus_dmamap_t extra_map;
122 int mask; /* number of rx slots -1 */
128 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
129 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
131 bus_dma_segment_t *seg_list;
132 struct mxge_tx_buffer_state *info;
134 int req; /* transmits submitted */
135 int mask; /* number of transmit slots -1 */
136 int done; /* transmits completed */
137 int pkt_done; /* packets completed */
138 int max_desc; /* max descriptors per xmit */
139 int stall; /* #times hw queue exhausted */
140 int wake; /* #times irq re-enabled xmit */
141 int watchdog_req; /* cache of req */
142 int watchdog_done; /* cache of done */
143 int watchdog_rx_pause; /* cache of pause rq recvd */
151 SLIST_ENTRY(lro_entry) next;
165 uint16_t source_port;
171 SLIST_HEAD(lro_head, lro_entry);
174 typedef struct mxge_softc mxge_softc_t;
176 struct mxge_slice_state {
178 mxge_tx_ring_t tx; /* transmit ring */
179 mxge_rx_ring_t rx_small;
180 mxge_rx_ring_t rx_big;
181 mxge_rx_done_t rx_done;
182 mcp_irq_data_t *fw_stats;
183 volatile uint32_t *irq_claim;
185 struct lro_head lro_active;
186 struct lro_head lro_free;
190 mxge_dma_t fw_stats_dma;
191 struct sysctl_oid *sysctl_tree;
192 struct sysctl_ctx_list sysctl_ctx;
198 struct mxge_slice_state *ss;
199 int csum_flag; /* rx_csums? */
200 int tx_boundary; /* boundary transmits cannot cross*/
202 bus_dma_tag_t parent_dmat;
203 volatile uint8_t *sram;
205 volatile uint32_t *irq_deassert;
206 mcp_cmd_response_t *cmd;
208 mxge_dma_t zeropad_dma;
209 struct pci_dev *pdev;
212 unsigned int rdma_tags_available;
214 volatile uint32_t *intr_coal_delay_ptr;
217 struct mtx driver_mtx;
222 int watchdog_countdown;
224 struct resource *mem_res;
225 struct resource *irq_res;
226 struct resource **msix_irq_res;
227 struct resource *msix_table_res;
228 struct resource *msix_pba_res;
232 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
233 char fw_version[128];
237 int adopted_rx_filter_bug;
239 struct ifmedia media;
243 int fw_multicast_support;
248 int need_media_probe;
251 mxge_dma_t dmabench_dma;
252 struct callout co_hdl;
253 struct sysctl_oid *slice_sysctl_tree;
254 struct sysctl_ctx_list slice_sysctl_ctx;
255 char *mac_addr_string;
256 uint8_t mac_addr[6]; /* eeprom mac address */
257 char product_code_string[64];
258 char serial_number_string[64];
259 char cmd_mtx_name[16];
260 char driver_mtx_name[16];
263 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1
264 #define MXGE_PCI_DEVICE_Z8E 0x0008
265 #define MXGE_PCI_DEVICE_Z8E_9 0x0009
266 #define MXGE_PCI_REV_Z8E 0
267 #define MXGE_PCI_REV_Z8ES 1
268 #define MXGE_XFP_COMPLIANCE_BYTE 131
269 #define MXGE_SFP_COMPLIANCE_BYTE 3
271 #define MXGE_HIGHPART_TO_U32(X) \
272 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
273 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
275 struct mxge_media_type
282 /* implement our own memory barriers, since bus_space_barrier
283 cannot handle write-combining regions */
285 #if defined (__GNUC__)
286 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
287 #define mb() __asm__ __volatile__ ("sfence;": : :"memory")
288 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9
289 #define mb() __asm__ __volatile__ ("membar #MemIssue": : :"memory")
290 #elif #cpu(sparc) || defined sparc || defined __sparc__
291 #define mb() __asm__ __volatile__ ("stbar;": : :"memory")
293 #define mb() /* XXX just to make this compile */
296 #error "unknown compiler"
300 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
302 register volatile uintptr_t *to;
303 volatile uintptr_t *from;
306 to = (volatile uintptr_t *) to_v;
308 for (i = (size / sizeof (uintptr_t)); i; i--) {
316 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro);
317 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head,
323 This file uses Myri10GE driver indentation.