1 /*******************************************************************************
3 Copyright (c) 2006-2013, 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 #if (__FreeBSD_version > 800082)
50 #define IFNET_BUF_RING 1
53 #if (__FreeBSD_version < 1000020)
57 #define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */
58 #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
59 #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
62 #ifndef VLAN_CAPABILITIES
63 #define VLAN_CAPABILITIES(ifp)
64 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
66 #define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk
69 #ifndef VLAN_TAG_VALUE
70 #define MXGE_NEW_VLAN_API
89 #ifndef IFCAP_TXCSUM_IPV6
90 #define IFCAP_TXCSUM_IPV6 0
93 #ifndef IFCAP_RXCSUM_IPV6
94 #define IFCAP_RXCSUM_IPV6 0
101 #ifndef CSUM_TCP_IPV6
102 #define CSUM_TCP_IPV6 0
105 #ifndef CSUM_UDP_IPV6
106 #define CSUM_UDP_IPV6 0
109 #ifndef CSUM_DELAY_DATA_IPV6
110 #define CSUM_DELAY_DATA_IPV6 0
136 struct mxge_rx_buffer_state {
141 struct mxge_tx_buffer_state {
149 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
150 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
151 struct mxge_rx_buffer_state *info;
153 bus_dmamap_t extra_map;
158 int mask; /* number of rx slots -1 */
165 #ifdef IFNET_BUF_RING
168 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
169 volatile uint32_t *send_go; /* doorbell for sendq */
170 volatile uint32_t *send_stop; /* doorbell for sendq */
171 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
173 bus_dma_segment_t *seg_list;
174 struct mxge_tx_buffer_state *info;
176 int req; /* transmits submitted */
177 int mask; /* number of transmit slots -1 */
178 int done; /* transmits completed */
179 int pkt_done; /* packets completed */
180 int max_desc; /* max descriptors per xmit */
181 int queue_active; /* fw currently polling this queue*/
184 int stall; /* #times hw queue exhausted */
185 int wake; /* #times irq re-enabled xmit */
186 int watchdog_req; /* cache of req */
187 int watchdog_done; /* cache of done */
188 int watchdog_rx_pause; /* cache of pause rq recvd */
194 typedef struct mxge_softc mxge_softc_t;
196 struct mxge_slice_state {
198 mxge_tx_ring_t tx; /* transmit ring */
199 mxge_rx_ring_t rx_small;
200 mxge_rx_ring_t rx_big;
201 mxge_rx_done_t rx_done;
202 mcp_irq_data_t *fw_stats;
203 volatile uint32_t *irq_claim;
211 mxge_dma_t fw_stats_dma;
212 struct sysctl_oid *sysctl_tree;
213 struct sysctl_ctx_list sysctl_ctx;
219 struct mxge_slice_state *ss;
220 int tx_boundary; /* boundary transmits cannot cross*/
222 bus_dma_tag_t parent_dmat;
223 volatile uint8_t *sram;
225 volatile uint32_t *irq_deassert;
226 mcp_cmd_response_t *cmd;
228 mxge_dma_t zeropad_dma;
229 struct pci_dev *pdev;
232 unsigned int rdma_tags_available;
234 volatile uint32_t *intr_coal_delay_ptr;
237 struct mtx driver_mtx;
242 int watchdog_countdown;
244 struct resource *mem_res;
245 struct resource *irq_res;
246 struct resource **msix_irq_res;
247 struct resource *msix_table_res;
248 struct resource *msix_pba_res;
252 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
253 char fw_version[128];
257 int adopted_rx_filter_bug;
259 struct ifmedia media;
263 int fw_multicast_support;
269 int need_media_probe;
276 mxge_dma_t dmabench_dma;
277 struct callout co_hdl;
278 struct taskqueue *tq;
279 struct task watchdog_task;
280 struct sysctl_oid *slice_sysctl_tree;
281 struct sysctl_ctx_list slice_sysctl_ctx;
282 char *mac_addr_string;
283 uint8_t mac_addr[6]; /* eeprom mac address */
284 uint16_t pectl; /* save PCIe CTL state */
285 char product_code_string[64];
286 char serial_number_string[64];
287 char cmd_mtx_name[16];
288 char driver_mtx_name[16];
291 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1
292 #define MXGE_PCI_DEVICE_Z8E 0x0008
293 #define MXGE_PCI_DEVICE_Z8E_9 0x0009
294 #define MXGE_PCI_REV_Z8E 0
295 #define MXGE_PCI_REV_Z8ES 1
296 #define MXGE_XFP_COMPLIANCE_BYTE 131
297 #define MXGE_SFP_COMPLIANCE_BYTE 3
298 #define MXGE_MIN_THROTTLE 416
299 #define MXGE_MAX_THROTTLE 4096
301 /* Types of connectors on NICs supported by this driver */
307 #define MXGE_HIGHPART_TO_U32(X) \
308 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
309 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
311 struct mxge_media_type
318 struct mxge_pkt_info {
327 /* implement our own memory barriers, since bus_space_barrier
328 cannot handle write-combining regions */
330 #if __FreeBSD_version < 800053
332 #if defined (__GNUC__)
333 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
334 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory")
335 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9
336 #define wmb() __asm__ __volatile__ ("membar #MemIssue": : :"memory")
337 #elif #cpu(sparc) || defined sparc || defined __sparc__
338 #define wmb() __asm__ __volatile__ ("stbar;": : :"memory")
340 #define wmb() /* XXX just to make this compile */
343 #error "unknown compiler"
349 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
351 register volatile uintptr_t *to;
352 volatile uintptr_t *from;
355 to = (volatile uintptr_t *) to_v;
357 for (i = (size / sizeof (uintptr_t)); i; i--) {
365 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro);
366 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head,
372 This file uses Myri10GE driver indentation.