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. */
61 if_initbaudrate(struct ifnet *ifp, uintmax_t baud)
63 ifp->if_baudrate = baud;
66 #ifndef VLAN_CAPABILITIES
67 #define VLAN_CAPABILITIES(ifp)
68 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
70 #define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk
73 #ifndef VLAN_TAG_VALUE
74 #define MXGE_NEW_VLAN_API
93 #ifndef IFCAP_TXCSUM_IPV6
94 #define IFCAP_TXCSUM_IPV6 0
97 #ifndef IFCAP_RXCSUM_IPV6
98 #define IFCAP_RXCSUM_IPV6 0
105 #ifndef CSUM_TCP_IPV6
106 #define CSUM_TCP_IPV6 0
109 #ifndef CSUM_UDP_IPV6
110 #define CSUM_UDP_IPV6 0
113 #ifndef CSUM_DELAY_DATA_IPV6
114 #define CSUM_DELAY_DATA_IPV6 0
140 struct mxge_rx_buffer_state {
145 struct mxge_tx_buffer_state {
153 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
154 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
155 struct mxge_rx_buffer_state *info;
157 bus_dmamap_t extra_map;
162 int mask; /* number of rx slots -1 */
169 #ifdef IFNET_BUF_RING
172 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
173 volatile uint32_t *send_go; /* doorbell for sendq */
174 volatile uint32_t *send_stop; /* doorbell for sendq */
175 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
177 bus_dma_segment_t *seg_list;
178 struct mxge_tx_buffer_state *info;
180 int req; /* transmits submitted */
181 int mask; /* number of transmit slots -1 */
182 int done; /* transmits completed */
183 int pkt_done; /* packets completed */
184 int max_desc; /* max descriptors per xmit */
185 int queue_active; /* fw currently polling this queue*/
188 int stall; /* #times hw queue exhausted */
189 int wake; /* #times irq re-enabled xmit */
190 int watchdog_req; /* cache of req */
191 int watchdog_done; /* cache of done */
192 int watchdog_rx_pause; /* cache of pause rq recvd */
198 typedef struct mxge_softc mxge_softc_t;
200 struct mxge_slice_state {
202 mxge_tx_ring_t tx; /* transmit ring */
203 mxge_rx_ring_t rx_small;
204 mxge_rx_ring_t rx_big;
205 mxge_rx_done_t rx_done;
206 mcp_irq_data_t *fw_stats;
207 volatile uint32_t *irq_claim;
215 mxge_dma_t fw_stats_dma;
216 struct sysctl_oid *sysctl_tree;
217 struct sysctl_ctx_list sysctl_ctx;
223 struct mxge_slice_state *ss;
224 int tx_boundary; /* boundary transmits cannot cross*/
226 bus_dma_tag_t parent_dmat;
227 volatile uint8_t *sram;
229 volatile uint32_t *irq_deassert;
230 mcp_cmd_response_t *cmd;
232 mxge_dma_t zeropad_dma;
233 struct pci_dev *pdev;
236 unsigned int rdma_tags_available;
238 volatile uint32_t *intr_coal_delay_ptr;
241 struct mtx driver_mtx;
246 int watchdog_countdown;
248 struct resource *mem_res;
249 struct resource *irq_res;
250 struct resource **msix_irq_res;
251 struct resource *msix_table_res;
252 struct resource *msix_pba_res;
256 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
257 char fw_version[128];
261 int adopted_rx_filter_bug;
263 struct ifmedia media;
267 int fw_multicast_support;
273 int need_media_probe;
280 mxge_dma_t dmabench_dma;
281 struct callout co_hdl;
282 struct taskqueue *tq;
283 struct task watchdog_task;
284 struct sysctl_oid *slice_sysctl_tree;
285 struct sysctl_ctx_list slice_sysctl_ctx;
286 char *mac_addr_string;
287 uint8_t mac_addr[6]; /* eeprom mac address */
288 uint16_t pectl; /* save PCIe CTL state */
289 char product_code_string[64];
290 char serial_number_string[64];
291 char cmd_mtx_name[16];
292 char driver_mtx_name[16];
295 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1
296 #define MXGE_PCI_DEVICE_Z8E 0x0008
297 #define MXGE_PCI_DEVICE_Z8E_9 0x0009
298 #define MXGE_PCI_REV_Z8E 0
299 #define MXGE_PCI_REV_Z8ES 1
300 #define MXGE_XFP_COMPLIANCE_BYTE 131
301 #define MXGE_SFP_COMPLIANCE_BYTE 3
302 #define MXGE_MIN_THROTTLE 416
303 #define MXGE_MAX_THROTTLE 4096
305 /* Types of connectors on NICs supported by this driver */
311 #define MXGE_HIGHPART_TO_U32(X) \
312 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
313 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
315 struct mxge_media_type
322 struct mxge_pkt_info {
331 /* implement our own memory barriers, since bus_space_barrier
332 cannot handle write-combining regions */
334 #if __FreeBSD_version < 800053
336 #if defined (__GNUC__)
337 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
338 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory")
339 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9
340 #define wmb() __asm__ __volatile__ ("membar #MemIssue": : :"memory")
341 #elif #cpu(sparc) || defined sparc || defined __sparc__
342 #define wmb() __asm__ __volatile__ ("stbar;": : :"memory")
344 #define wmb() /* XXX just to make this compile */
347 #error "unknown compiler"
353 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
355 register volatile uintptr_t *to;
356 volatile uintptr_t *from;
359 to = (volatile uintptr_t *) to_v;
361 for (i = (size / sizeof (uintptr_t)); i; i--) {
369 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro);
370 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head,
376 This file uses Myri10GE driver indentation.